Home / 744,308,000.20-1,116,462,000.30-499,419,987.40

Finding the Fourth Proportional to 744,308,000.20, 1,116,462,000.30 and 499,419,987.40

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Solution

The fourth proportional to 744,308,000.20, 1,116,462,000.30 and 499,419,987.40 is: 749,129,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,308,000.20 : 1,116,462,000.30 = 499,419,987.40 : x
  2. Step 2: Convert to fraction form
    744,308,000.20/1,116,462,000.30 = 499,419,987.40/x
  3. Step 3: Cross multiply
    744,308,000.20x = 1,116,462,000.30 × 499,419,987.40
  4. Step 4: Simplify right side
    744,308,000.20x = 557,583,438,122,404,736
  5. Step 5: Solve for x
    x = 557,583,438,122,404,736/744,308,000.20
  6. Step 6: Final answer
    x = 749,129,981.10

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1.5x scale

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.