Home / 661,425,028.73-912,759,296.15-364,060,913.21

Finding the Fourth Proportional to 661,425,028.73, 912,759,296.15 and 364,060,913.21

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Solution

The fourth proportional to 661,425,028.73, 912,759,296.15 and 364,060,913.21 is: 502,400,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,425,028.73 : 912,759,296.15 = 364,060,913.21 : x
  2. Step 2: Convert to fraction form
    661,425,028.73/912,759,296.15 = 364,060,913.21/x
  3. Step 3: Cross multiply
    661,425,028.73x = 912,759,296.15 × 364,060,913.21
  4. Step 4: Simplify right side
    661,425,028.73x = 332,299,982,895,465,536
  5. Step 5: Solve for x
    x = 332,299,982,895,465,536/661,425,028.73
  6. Step 6: Final answer
    x = 502,400,073.27

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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.