Home / 209,576,628,215.51-289,454,314,504.01-140,868,755,577.49

Finding the Fourth Proportional to 209,576,628,215.51, 289,454,314,504.01 and 140,868,755,577.49

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Solution

The fourth proportional to 209,576,628,215.51, 289,454,314,504.01 and 140,868,755,577.49 is: 194,559,237,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,576,628,215.51 : 289,454,314,504.01 = 140,868,755,577.49 : x
  2. Step 2: Convert to fraction form
    209,576,628,215.51/289,454,314,504.01 = 140,868,755,577.49/x
  3. Step 3: Cross multiply
    209,576,628,215.51x = 289,454,314,504.01 × 140,868,755,577.49
  4. Step 4: Simplify right side
    209,576,628,215.51x = 40,775,069,080,715,299,651,584
  5. Step 5: Solve for x
    x = 40,775,069,080,715,299,651,584/209,576,628,215.51
  6. Step 6: Final answer
    x = 194,559,237,964.20

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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.