Home / 6,723,862,217.82-10,077,769,139.85-3,129,452,539.74

Finding the Fourth Proportional to 6,723,862,217.82, 10,077,769,139.85 and 3,129,452,539.74

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Solution

The fourth proportional to 6,723,862,217.82, 10,077,769,139.85 and 3,129,452,539.74 is: 4,690,444,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723,862,217.82 : 10,077,769,139.85 = 3,129,452,539.74 : x
  2. Step 2: Convert to fraction form
    6,723,862,217.82/10,077,769,139.85 = 3,129,452,539.74/x
  3. Step 3: Cross multiply
    6,723,862,217.82x = 10,077,769,139.85 × 3,129,452,539.74
  4. Step 4: Simplify right side
    6,723,862,217.82x = 31,537,900,229,616,975,872
  5. Step 5: Solve for x
    x = 31,537,900,229,616,975,872/6,723,862,217.82
  6. Step 6: Final answer
    x = 4,690,444,153.66

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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.