Home / 1,328,546,238.80-1,992,819,358.20-708,673,456.40

Finding the Fourth Proportional to 1,328,546,238.80, 1,992,819,358.20 and 708,673,456.40

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Solution

The fourth proportional to 1,328,546,238.80, 1,992,819,358.20 and 708,673,456.40 is: 1,063,010,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,546,238.80 : 1,992,819,358.20 = 708,673,456.40 : x
  2. Step 2: Convert to fraction form
    1,328,546,238.80/1,992,819,358.20 = 708,673,456.40/x
  3. Step 3: Cross multiply
    1,328,546,238.80x = 1,992,819,358.20 × 708,673,456.40
  4. Step 4: Simplify right side
    1,328,546,238.80x = 1,412,258,182,556,423,680
  5. Step 5: Solve for x
    x = 1,412,258,182,556,423,680/1,328,546,238.80
  6. Step 6: Final answer
    x = 1,063,010,184.60

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Double scale
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Similar ratio
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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.