Home / 387,689,062.40-580,966,723.20-329,868,281.60

Finding the Fourth Proportional to 387,689,062.40, 580,966,723.20 and 329,868,281.60

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Solution

The fourth proportional to 387,689,062.40, 580,966,723.20 and 329,868,281.60 is: 494,320,096.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,689,062.40 : 580,966,723.20 = 329,868,281.60 : x
  2. Step 2: Convert to fraction form
    387,689,062.40/580,966,723.20 = 329,868,281.60/x
  3. Step 3: Cross multiply
    387,689,062.40x = 580,966,723.20 × 329,868,281.60
  4. Step 4: Simplify right side
    387,689,062.40x = 191,642,494,648,766,880
  5. Step 5: Solve for x
    x = 191,642,494,648,766,880/387,689,062.40
  6. Step 6: Final answer
    x = 494,320,096.27

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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.