Home / 8,503,287,639.80-12,754,931,459.70-8,388,625,854.20

Finding the Fourth Proportional to 8,503,287,639.80, 12,754,931,459.70 and 8,388,625,854.20

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Solution

The fourth proportional to 8,503,287,639.80, 12,754,931,459.70 and 8,388,625,854.20 is: 12,582,938,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,287,639.80 : 12,754,931,459.70 = 8,388,625,854.20 : x
  2. Step 2: Convert to fraction form
    8,503,287,639.80/12,754,931,459.70 = 8,388,625,854.20/x
  3. Step 3: Cross multiply
    8,503,287,639.80x = 12,754,931,459.70 × 8,388,625,854.20
  4. Step 4: Simplify right side
    8,503,287,639.80x = 106,996,347,811,388,375,040
  5. Step 5: Solve for x
    x = 106,996,347,811,388,375,040/8,503,287,639.80
  6. Step 6: Final answer
    x = 12,582,938,781.30

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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.