Home / 4,338,565,163.30-5,981,167,689.81-2,909,891,575.55

Finding the Fourth Proportional to 4,338,565,163.30, 5,981,167,689.81 and 2,909,891,575.55

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Solution

The fourth proportional to 4,338,565,163.30, 5,981,167,689.81 and 2,909,891,575.55 is: 4,011,591,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338,565,163.30 : 5,981,167,689.81 = 2,909,891,575.55 : x
  2. Step 2: Convert to fraction form
    4,338,565,163.30/5,981,167,689.81 = 2,909,891,575.55/x
  3. Step 3: Cross multiply
    4,338,565,163.30x = 5,981,167,689.81 × 2,909,891,575.55
  4. Step 4: Simplify right side
    4,338,565,163.30x = 17,404,549,472,500,070,400
  5. Step 5: Solve for x
    x = 17,404,549,472,500,070,400/4,338,565,163.30
  6. Step 6: Final answer
    x = 4,011,591,117.67

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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.