Home / 699,340,882.34-965,065,069.33-386,068,353.86

Finding the Fourth Proportional to 699,340,882.34, 965,065,069.33 and 386,068,353.86

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Solution

The fourth proportional to 699,340,882.34, 965,065,069.33 and 386,068,353.86 is: 532,760,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,340,882.34 : 965,065,069.33 = 386,068,353.86 : x
  2. Step 2: Convert to fraction form
    699,340,882.34/965,065,069.33 = 386,068,353.86/x
  3. Step 3: Cross multiply
    699,340,882.34x = 965,065,069.33 × 386,068,353.86
  4. Step 4: Simplify right side
    699,340,882.34x = 372,581,082,678,229,376
  5. Step 5: Solve for x
    x = 372,581,082,678,229,376/699,340,882.34
  6. Step 6: Final answer
    x = 532,760,334.89

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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.