Home / 711,788,975.28-1,066,930,130.52-323,884,209.15

Finding the Fourth Proportional to 711,788,975.28, 1,066,930,130.52 and 323,884,209.15

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Solution

The fourth proportional to 711,788,975.28, 1,066,930,130.52 and 323,884,209.15 is: 485,483,526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,788,975.28 : 1,066,930,130.52 = 323,884,209.15 : x
  2. Step 2: Convert to fraction form
    711,788,975.28/1,066,930,130.52 = 323,884,209.15/x
  3. Step 3: Cross multiply
    711,788,975.28x = 1,066,930,130.52 × 323,884,209.15
  4. Step 4: Simplify right side
    711,788,975.28x = 345,561,821,541,776,448
  5. Step 5: Solve for x
    x = 345,561,821,541,776,448/711,788,975.28
  6. Step 6: Final answer
    x = 485,483,526.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.