Home / 614,304,003.60-921,456,005.40-407,679,742.80

Finding the Fourth Proportional to 614,304,003.60, 921,456,005.40 and 407,679,742.80

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Solution

The fourth proportional to 614,304,003.60, 921,456,005.40 and 407,679,742.80 is: 611,519,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,304,003.60 : 921,456,005.40 = 407,679,742.80 : x
  2. Step 2: Convert to fraction form
    614,304,003.60/921,456,005.40 = 407,679,742.80/x
  3. Step 3: Cross multiply
    614,304,003.60x = 921,456,005.40 × 407,679,742.80
  4. Step 4: Simplify right side
    614,304,003.60x = 375,658,947,282,987,392
  5. Step 5: Solve for x
    x = 375,658,947,282,987,392/614,304,003.60
  6. Step 6: Final answer
    x = 611,519,614.20

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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.