Home / 71,488,087,670.52-98,658,041,339.99-39,373,443,438.84

Finding the Fourth Proportional to 71,488,087,670.52, 98,658,041,339.99 and 39,373,443,438.84

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Solution

The fourth proportional to 71,488,087,670.52, 98,658,041,339.99 and 39,373,443,438.84 is: 54,337,819,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,488,087,670.52 : 98,658,041,339.99 = 39,373,443,438.84 : x
  2. Step 2: Convert to fraction form
    71,488,087,670.52/98,658,041,339.99 = 39,373,443,438.84/x
  3. Step 3: Cross multiply
    71,488,087,670.52x = 98,658,041,339.99 × 39,373,443,438.84
  4. Step 4: Simplify right side
    71,488,087,670.52x = 3,884,506,810,486,952,558,592
  5. Step 5: Solve for x
    x = 3,884,506,810,486,952,558,592/71,488,087,670.52
  6. Step 6: Final answer
    x = 54,337,819,587.37

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Double scale
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1.5x scale

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.