Home / 8,503,287,591.30-12,754,931,386.95-8,388,625,805.70

Finding the Fourth Proportional to 8,503,287,591.30, 12,754,931,386.95 and 8,388,625,805.70

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Solution

The fourth proportional to 8,503,287,591.30, 12,754,931,386.95 and 8,388,625,805.70 is: 12,582,938,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,287,591.30 : 12,754,931,386.95 = 8,388,625,805.70 : x
  2. Step 2: Convert to fraction form
    8,503,287,591.30/12,754,931,386.95 = 8,388,625,805.70/x
  3. Step 3: Cross multiply
    8,503,287,591.30x = 12,754,931,386.95 × 8,388,625,805.70
  4. Step 4: Simplify right side
    8,503,287,591.30x = 106,996,346,582,501,670,912
  5. Step 5: Solve for x
    x = 106,996,346,582,501,670,912/8,503,287,591.30
  6. Step 6: Final answer
    x = 12,582,938,708.55

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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.