Home / 1,131,189,283.17-1,561,016,700.84-654,899,721.12

Finding the Fourth Proportional to 1,131,189,283.17, 1,561,016,700.84 and 654,899,721.12

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Solution

The fourth proportional to 1,131,189,283.17, 1,561,016,700.84 and 654,899,721.12 is: 903,747,425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,189,283.17 : 1,561,016,700.84 = 654,899,721.12 : x
  2. Step 2: Convert to fraction form
    1,131,189,283.17/1,561,016,700.84 = 654,899,721.12/x
  3. Step 3: Cross multiply
    1,131,189,283.17x = 1,561,016,700.84 × 654,899,721.12
  4. Step 4: Simplify right side
    1,131,189,283.17x = 1,022,309,402,040,504,064
  5. Step 5: Solve for x
    x = 1,022,309,402,040,504,064/1,131,189,283.17
  6. Step 6: Final answer
    x = 903,747,425.17

Related Problems

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Half scale
Find fourth proportional to 2,262,378,566.34, 3,122,033,401.67 and 1,309,799,442.24
Double scale
Find fourth proportional to 1,131,189,284.17, 1,561,016,702.21 and 654,899,722.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.