Home / 498,008,081.40-747,012,122.10-491,205,636.60

Finding the Fourth Proportional to 498,008,081.40, 747,012,122.10 and 491,205,636.60

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Solution

The fourth proportional to 498,008,081.40, 747,012,122.10 and 491,205,636.60 is: 736,808,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,008,081.40 : 747,012,122.10 = 491,205,636.60 : x
  2. Step 2: Convert to fraction form
    498,008,081.40/747,012,122.10 = 491,205,636.60/x
  3. Step 3: Cross multiply
    498,008,081.40x = 747,012,122.10 × 491,205,636.60
  4. Step 4: Simplify right side
    498,008,081.40x = 366,936,564,984,047,488
  5. Step 5: Solve for x
    x = 366,936,564,984,047,488/498,008,081.40
  6. Step 6: Final answer
    x = 736,808,454.90

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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.