Home / 354,304,381.60-531,456,572.40-305,836,962.40

Finding the Fourth Proportional to 354,304,381.60, 531,456,572.40 and 305,836,962.40

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Solution

The fourth proportional to 354,304,381.60, 531,456,572.40 and 305,836,962.40 is: 458,755,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,304,381.60 : 531,456,572.40 = 305,836,962.40 : x
  2. Step 2: Convert to fraction form
    354,304,381.60/531,456,572.40 = 305,836,962.40/x
  3. Step 3: Cross multiply
    354,304,381.60x = 531,456,572.40 × 305,836,962.40
  4. Step 4: Simplify right side
    354,304,381.60x = 162,539,063,750,331,648
  5. Step 5: Solve for x
    x = 162,539,063,750,331,648/354,304,381.60
  6. Step 6: Final answer
    x = 458,755,443.60

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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.