Home / 509,256,199.95-763,884,359.10-159,529,520.79

Finding the Fourth Proportional to 509,256,199.95, 763,884,359.10 and 159,529,520.79

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Solution

The fourth proportional to 509,256,199.95, 763,884,359.10 and 159,529,520.79 is: 239,294,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,256,199.95 : 763,884,359.10 = 159,529,520.79 : x
  2. Step 2: Convert to fraction form
    509,256,199.95/763,884,359.10 = 159,529,520.79/x
  3. Step 3: Cross multiply
    509,256,199.95x = 763,884,359.10 × 159,529,520.79
  4. Step 4: Simplify right side
    509,256,199.95x = 121,862,105,746,199,280
  5. Step 5: Solve for x
    x = 121,862,105,746,199,280/509,256,199.95
  6. Step 6: Final answer
    x = 239,294,299.72

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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.