Home / 409,534,905.80-614,302,358.70-150,935,715.20

Finding the Fourth Proportional to 409,534,905.80, 614,302,358.70 and 150,935,715.20

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Solution

The fourth proportional to 409,534,905.80, 614,302,358.70 and 150,935,715.20 is: 226,403,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,534,905.80 : 614,302,358.70 = 150,935,715.20 : x
  2. Step 2: Convert to fraction form
    409,534,905.80/614,302,358.70 = 150,935,715.20/x
  3. Step 3: Cross multiply
    409,534,905.80x = 614,302,358.70 × 150,935,715.20
  4. Step 4: Simplify right side
    409,534,905.80x = 92,720,165,859,431,440
  5. Step 5: Solve for x
    x = 92,720,165,859,431,440/409,534,905.80
  6. Step 6: Final answer
    x = 226,403,572.80

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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.