Home / 699,340,882.46-965,065,069.50-386,068,353.98

Finding the Fourth Proportional to 699,340,882.46, 965,065,069.50 and 386,068,353.98

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Solution

The fourth proportional to 699,340,882.46, 965,065,069.50 and 386,068,353.98 is: 532,760,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,340,882.46 : 965,065,069.50 = 386,068,353.98 : x
  2. Step 2: Convert to fraction form
    699,340,882.46/965,065,069.50 = 386,068,353.98/x
  3. Step 3: Cross multiply
    699,340,882.46x = 965,065,069.50 × 386,068,353.98
  4. Step 4: Simplify right side
    699,340,882.46x = 372,581,082,865,459,328
  5. Step 5: Solve for x
    x = 372,581,082,865,459,328/699,340,882.46
  6. Step 6: Final answer
    x = 532,760,335.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.