Home / 12,747,987,590.80-19,121,981,386.20-4,465,798,470.40

Finding the Fourth Proportional to 12,747,987,590.80, 19,121,981,386.20 and 4,465,798,470.40

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Solution

The fourth proportional to 12,747,987,590.80, 19,121,981,386.20 and 4,465,798,470.40 is: 6,698,697,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,987,590.80 : 19,121,981,386.20 = 4,465,798,470.40 : x
  2. Step 2: Convert to fraction form
    12,747,987,590.80/19,121,981,386.20 = 4,465,798,470.40/x
  3. Step 3: Cross multiply
    12,747,987,590.80x = 19,121,981,386.20 × 4,465,798,470.40
  4. Step 4: Simplify right side
    12,747,987,590.80x = 85,394,915,225,509,232,640
  5. Step 5: Solve for x
    x = 85,394,915,225,509,232,640/12,747,987,590.80
  6. Step 6: Final answer
    x = 6,698,697,705.60

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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.