Home / 951,695,809.68-1,313,350,798.94-528,338,099.28

Finding the Fourth Proportional to 951,695,809.68, 1,313,350,798.94 and 528,338,099.28

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Solution

The fourth proportional to 951,695,809.68, 1,313,350,798.94 and 528,338,099.28 is: 729,112,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,695,809.68 : 1,313,350,798.94 = 528,338,099.28 : x
  2. Step 2: Convert to fraction form
    951,695,809.68/1,313,350,798.94 = 528,338,099.28/x
  3. Step 3: Cross multiply
    951,695,809.68x = 1,313,350,798.94 × 528,338,099.28
  4. Step 4: Simplify right side
    951,695,809.68x = 693,893,264,807,078,784
  5. Step 5: Solve for x
    x = 693,893,264,807,078,784/951,695,809.68
  6. Step 6: Final answer
    x = 729,112,451.42

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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.