Home / 1,131,179,143.08-1,561,002,750.36-654,889,597.42

Finding the Fourth Proportional to 1,131,179,143.08, 1,561,002,750.36 and 654,889,597.42

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Solution

The fourth proportional to 1,131,179,143.08, 1,561,002,750.36 and 654,889,597.42 is: 903,733,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,179,143.08 : 1,561,002,750.36 = 654,889,597.42 : x
  2. Step 2: Convert to fraction form
    1,131,179,143.08/1,561,002,750.36 = 654,889,597.42/x
  3. Step 3: Cross multiply
    1,131,179,143.08x = 1,561,002,750.36 × 654,889,597.42
  4. Step 4: Simplify right side
    1,131,179,143.08x = 1,022,284,462,754,772,992
  5. Step 5: Solve for x
    x = 1,022,284,462,754,772,992/1,131,179,143.08
  6. Step 6: Final answer
    x = 903,733,479.36

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Double scale
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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.