Home / 10,021,536,457.20-15,045,442,344.72-6,720,123,679.76

Finding the Fourth Proportional to 10,021,536,457.20, 15,045,442,344.72 and 6,720,123,679.76

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Solution

The fourth proportional to 10,021,536,457.20, 15,045,442,344.72 and 6,720,123,679.76 is: 10,088,995,215.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021,536,457.20 : 15,045,442,344.72 = 6,720,123,679.76 : x
  2. Step 2: Convert to fraction form
    10,021,536,457.20/15,045,442,344.72 = 6,720,123,679.76/x
  3. Step 3: Cross multiply
    10,021,536,457.20x = 15,045,442,344.72 × 6,720,123,679.76
  4. Step 4: Simplify right side
    10,021,536,457.20x = 101,107,233,373,216,686,080
  5. Step 5: Solve for x
    x = 101,107,233,373,216,686,080/10,021,536,457.20
  6. Step 6: Final answer
    x = 10,088,995,215.96

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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.