Home / 515,011,656.30-772,517,484.45-351,752,981.10

Finding the Fourth Proportional to 515,011,656.30, 772,517,484.45 and 351,752,981.10

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Solution

The fourth proportional to 515,011,656.30, 772,517,484.45 and 351,752,981.10 is: 527,629,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,011,656.30 : 772,517,484.45 = 351,752,981.10 : x
  2. Step 2: Convert to fraction form
    515,011,656.30/772,517,484.45 = 351,752,981.10/x
  3. Step 3: Cross multiply
    515,011,656.30x = 772,517,484.45 × 351,752,981.10
  4. Step 4: Simplify right side
    515,011,656.30x = 271,735,328,107,160,416
  5. Step 5: Solve for x
    x = 271,735,328,107,160,416/515,011,656.30
  6. Step 6: Final answer
    x = 527,629,471.65

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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.