Home / 10,021,536,458.20-15,045,442,346.22-6,720,123,680.76

Finding the Fourth Proportional to 10,021,536,458.20, 15,045,442,346.22 and 6,720,123,680.76

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Solution

The fourth proportional to 10,021,536,458.20, 15,045,442,346.22 and 6,720,123,680.76 is: 10,088,995,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021,536,458.20 : 15,045,442,346.22 = 6,720,123,680.76 : x
  2. Step 2: Convert to fraction form
    10,021,536,458.20/15,045,442,346.22 = 6,720,123,680.76/x
  3. Step 3: Cross multiply
    10,021,536,458.20x = 15,045,442,346.22 × 6,720,123,680.76
  4. Step 4: Simplify right side
    10,021,536,458.20x = 101,107,233,398,342,320,128
  5. Step 5: Solve for x
    x = 101,107,233,398,342,320,128/10,021,536,458.20
  6. Step 6: Final answer
    x = 10,088,995,217.46

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1.5x scale

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.