Home / 408,475,306.67-563,618,828.82-243,478,228.91

Finding the Fourth Proportional to 408,475,306.67, 563,618,828.82 and 243,478,228.91

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Solution

The fourth proportional to 408,475,306.67, 563,618,828.82 and 243,478,228.91 is: 335,954,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,475,306.67 : 563,618,828.82 = 243,478,228.91 : x
  2. Step 2: Convert to fraction form
    408,475,306.67/563,618,828.82 = 243,478,228.91/x
  3. Step 3: Cross multiply
    408,475,306.67x = 563,618,828.82 × 243,478,228.91
  4. Step 4: Simplify right side
    408,475,306.67x = 137,228,914,218,603,984
  5. Step 5: Solve for x
    x = 137,228,914,218,603,984/408,475,306.67
  6. Step 6: Final answer
    x = 335,954,002.55

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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.