Home / 437,588,596.71-656,384,006.79-178,803,817.29

Finding the Fourth Proportional to 437,588,596.71, 656,384,006.79 and 178,803,817.29

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Solution

The fourth proportional to 437,588,596.71, 656,384,006.79 and 178,803,817.29 is: 268,206,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,588,596.71 : 656,384,006.79 = 178,803,817.29 : x
  2. Step 2: Convert to fraction form
    437,588,596.71/656,384,006.79 = 178,803,817.29/x
  3. Step 3: Cross multiply
    437,588,596.71x = 656,384,006.79 × 178,803,817.29
  4. Step 4: Simplify right side
    437,588,596.71x = 117,363,966,022,157,264
  5. Step 5: Solve for x
    x = 117,363,966,022,157,264/437,588,596.71
  6. Step 6: Final answer
    x = 268,206,180.20

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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.