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Finding the Fourth Proportional to 532,557,697.56, 734,930,618.40 and 297,608,358.48

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Solution

The fourth proportional to 532,557,697.56, 734,930,618.40 and 297,608,358.48 is: 410,700,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,557,697.56 : 734,930,618.40 = 297,608,358.48 : x
  2. Step 2: Convert to fraction form
    532,557,697.56/734,930,618.40 = 297,608,358.48/x
  3. Step 3: Cross multiply
    532,557,697.56x = 734,930,618.40 × 297,608,358.48
  4. Step 4: Simplify right side
    532,557,697.56x = 218,721,494,938,715,296
  5. Step 5: Solve for x
    x = 218,721,494,938,715,296/532,557,697.56
  6. Step 6: Final answer
    x = 410,700,091.17

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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.