Home / 916,272,001.60-1,372,392,463.20-814,151,348.80

Finding the Fourth Proportional to 916,272,001.60, 1,372,392,463.20 and 814,151,348.80

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Solution

The fourth proportional to 916,272,001.60, 1,372,392,463.20 and 814,151,348.80 is: 1,219,436,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,272,001.60 : 1,372,392,463.20 = 814,151,348.80 : x
  2. Step 2: Convert to fraction form
    916,272,001.60/1,372,392,463.20 = 814,151,348.80/x
  3. Step 3: Cross multiply
    916,272,001.60x = 1,372,392,463.20 × 814,151,348.80
  4. Step 4: Simplify right side
    916,272,001.60x = 1,117,335,174,997,234,304
  5. Step 5: Solve for x
    x = 1,117,335,174,997,234,304/916,272,001.60
  6. Step 6: Final answer
    x = 1,219,436,120.55

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1.5x scale

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.