Home / 951,695,810.68-1,313,350,800.32-528,338,100.28

Finding the Fourth Proportional to 951,695,810.68, 1,313,350,800.32 and 528,338,100.28

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Solution

The fourth proportional to 951,695,810.68, 1,313,350,800.32 and 528,338,100.28 is: 729,112,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,695,810.68 : 1,313,350,800.32 = 528,338,100.28 : x
  2. Step 2: Convert to fraction form
    951,695,810.68/1,313,350,800.32 = 528,338,100.28/x
  3. Step 3: Cross multiply
    951,695,810.68x = 1,313,350,800.32 × 528,338,100.28
  4. Step 4: Simplify right side
    951,695,810.68x = 693,893,266,842,286,336
  5. Step 5: Solve for x
    x = 693,893,266,842,286,336/951,695,810.68
  6. Step 6: Final answer
    x = 729,112,452.80

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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.