Home / 637,781,666.76-880,138,693.02-344,426,234.76

Finding the Fourth Proportional to 637,781,666.76, 880,138,693.02 and 344,426,234.76

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Solution

The fourth proportional to 637,781,666.76, 880,138,693.02 and 344,426,234.76 is: 475,308,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,781,666.76 : 880,138,693.02 = 344,426,234.76 : x
  2. Step 2: Convert to fraction form
    637,781,666.76/880,138,693.02 = 344,426,234.76/x
  3. Step 3: Cross multiply
    637,781,666.76x = 880,138,693.02 × 344,426,234.76
  4. Step 4: Simplify right side
    637,781,666.76x = 303,142,856,103,466,048
  5. Step 5: Solve for x
    x = 303,142,856,103,466,048/637,781,666.76
  6. Step 6: Final answer
    x = 475,308,200.13

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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.