Home / 8,680,203,246.80-13,020,304,870.20-8,618,981,243.60

Finding the Fourth Proportional to 8,680,203,246.80, 13,020,304,870.20 and 8,618,981,243.60

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Solution

The fourth proportional to 8,680,203,246.80, 13,020,304,870.20 and 8,618,981,243.60 is: 12,928,471,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680,203,246.80 : 13,020,304,870.20 = 8,618,981,243.60 : x
  2. Step 2: Convert to fraction form
    8,680,203,246.80/13,020,304,870.20 = 8,618,981,243.60/x
  3. Step 3: Cross multiply
    8,680,203,246.80x = 13,020,304,870.20 × 8,618,981,243.60
  4. Step 4: Simplify right side
    8,680,203,246.80x = 112,221,763,462,207,537,152
  5. Step 5: Solve for x
    x = 112,221,763,462,207,537,152/8,680,203,246.80
  6. Step 6: Final answer
    x = 12,928,471,865.40

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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.