Home / 787,863,869.28-1,087,387,149.24-458,030,327.04

Finding the Fourth Proportional to 787,863,869.28, 1,087,387,149.24 and 458,030,327.04

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Solution

The fourth proportional to 787,863,869.28, 1,087,387,149.24 and 458,030,327.04 is: 632,160,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,863,869.28 : 1,087,387,149.24 = 458,030,327.04 : x
  2. Step 2: Convert to fraction form
    787,863,869.28/1,087,387,149.24 = 458,030,327.04/x
  3. Step 3: Cross multiply
    787,863,869.28x = 1,087,387,149.24 × 458,030,327.04
  4. Step 4: Simplify right side
    787,863,869.28x = 498,056,291,585,490,496
  5. Step 5: Solve for x
    x = 498,056,291,585,490,496/787,863,869.28
  6. Step 6: Final answer
    x = 632,160,340.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.