Home / 12,654,336,055.40-18,981,504,083.10-8,515,762,231.40

Finding the Fourth Proportional to 12,654,336,055.40, 18,981,504,083.10 and 8,515,762,231.40

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Solution

The fourth proportional to 12,654,336,055.40, 18,981,504,083.10 and 8,515,762,231.40 is: 12,773,643,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,336,055.40 : 18,981,504,083.10 = 8,515,762,231.40 : x
  2. Step 2: Convert to fraction form
    12,654,336,055.40/18,981,504,083.10 = 8,515,762,231.40/x
  3. Step 3: Cross multiply
    12,654,336,055.40x = 18,981,504,083.10 × 8,515,762,231.40
  4. Step 4: Simplify right side
    12,654,336,055.40x = 161,641,975,566,027,849,728
  5. Step 5: Solve for x
    x = 161,641,975,566,027,849,728/12,654,336,055.40
  6. Step 6: Final answer
    x = 12,773,643,347.10

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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.