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Finding the Fourth Proportional to 257,656,874.60, 359,954,349.40 and 257,656,874.60

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Solution

The fourth proportional to 257,656,874.60, 359,954,349.40 and 257,656,874.60 is: 359,954,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,656,874.60 : 359,954,349.40 = 257,656,874.60 : x
  2. Step 2: Convert to fraction form
    257,656,874.60/359,954,349.40 = 257,656,874.60/x
  3. Step 3: Cross multiply
    257,656,874.60x = 359,954,349.40 × 257,656,874.60
  4. Step 4: Simplify right side
    257,656,874.60x = 92,744,712,665,080,384
  5. Step 5: Solve for x
    x = 92,744,712,665,080,384/257,656,874.60
  6. Step 6: Final answer
    x = 359,954,349.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.