Home / 387,230,539.60-580,845,809.40-299,554,584.40

Finding the Fourth Proportional to 387,230,539.60, 580,845,809.40 and 299,554,584.40

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Solution

The fourth proportional to 387,230,539.60, 580,845,809.40 and 299,554,584.40 is: 449,331,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,230,539.60 : 580,845,809.40 = 299,554,584.40 : x
  2. Step 2: Convert to fraction form
    387,230,539.60/580,845,809.40 = 299,554,584.40/x
  3. Step 3: Cross multiply
    387,230,539.60x = 580,845,809.40 × 299,554,584.40
  4. Step 4: Simplify right side
    387,230,539.60x = 173,995,025,035,298,592
  5. Step 5: Solve for x
    x = 173,995,025,035,298,592/387,230,539.60
  6. Step 6: Final answer
    x = 449,331,876.60

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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.