Home / 431,634,057.92-595,618,991.52-243,451,981.76

Finding the Fourth Proportional to 431,634,057.92, 595,618,991.52 and 243,451,981.76

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Solution

The fourth proportional to 431,634,057.92, 595,618,991.52 and 243,451,981.76 is: 335,943,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,634,057.92 : 595,618,991.52 = 243,451,981.76 : x
  2. Step 2: Convert to fraction form
    431,634,057.92/595,618,991.52 = 243,451,981.76/x
  3. Step 3: Cross multiply
    431,634,057.92x = 595,618,991.52 × 243,451,981.76
  4. Step 4: Simplify right side
    431,634,057.92x = 145,004,623,859,436,640
  5. Step 5: Solve for x
    x = 145,004,623,859,436,640/431,634,057.92
  6. Step 6: Final answer
    x = 335,943,425.22

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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.