Home / 347,598,772.80-521,696,757.60-153,808,411.20

Finding the Fourth Proportional to 347,598,772.80, 521,696,757.60 and 153,808,411.20

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Solution

The fourth proportional to 347,598,772.80, 521,696,757.60 and 153,808,411.20 is: 230,844,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,598,772.80 : 521,696,757.60 = 153,808,411.20 : x
  2. Step 2: Convert to fraction form
    347,598,772.80/521,696,757.60 = 153,808,411.20/x
  3. Step 3: Cross multiply
    347,598,772.80x = 521,696,757.60 × 153,808,411.20
  4. Step 4: Simplify right side
    347,598,772.80x = 80,241,349,414,647,520
  5. Step 5: Solve for x
    x = 80,241,349,414,647,520/347,598,772.80
  6. Step 6: Final answer
    x = 230,844,743.12

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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.