Home / 1,034,875,438.60-1,553,068,985.10-728,765,422.60

Finding the Fourth Proportional to 1,034,875,438.60, 1,553,068,985.10 and 728,765,422.60

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Solution

The fourth proportional to 1,034,875,438.60, 1,553,068,985.10 and 728,765,422.60 is: 1,093,680,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,875,438.60 : 1,553,068,985.10 = 728,765,422.60 : x
  2. Step 2: Convert to fraction form
    1,034,875,438.60/1,553,068,985.10 = 728,765,422.60/x
  3. Step 3: Cross multiply
    1,034,875,438.60x = 1,553,068,985.10 × 728,765,422.60
  4. Step 4: Simplify right side
    1,034,875,438.60x = 1,131,822,975,253,354,624
  5. Step 5: Solve for x
    x = 1,131,822,975,253,354,624/1,034,875,438.60
  6. Step 6: Final answer
    x = 1,093,680,391.90

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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.