Home / 12,547,488,001.60-18,821,232,002.40-11,193,045,659.20

Finding the Fourth Proportional to 12,547,488,001.60, 18,821,232,002.40 and 11,193,045,659.20

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Solution

The fourth proportional to 12,547,488,001.60, 18,821,232,002.40 and 11,193,045,659.20 is: 16,789,568,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,488,001.60 : 18,821,232,002.40 = 11,193,045,659.20 : x
  2. Step 2: Convert to fraction form
    12,547,488,001.60/18,821,232,002.40 = 11,193,045,659.20/x
  3. Step 3: Cross multiply
    12,547,488,001.60x = 18,821,232,002.40 × 11,193,045,659.20
  4. Step 4: Simplify right side
    12,547,488,001.60x = 210,666,909,165,259,489,280
  5. Step 5: Solve for x
    x = 210,666,909,165,259,489,280/12,547,488,001.60
  6. Step 6: Final answer
    x = 16,789,568,488.80

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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.