Home / 12,547,488,000.60-18,821,232,000.90-11,193,045,658.20

Finding the Fourth Proportional to 12,547,488,000.60, 18,821,232,000.90 and 11,193,045,658.20

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Solution

The fourth proportional to 12,547,488,000.60, 18,821,232,000.90 and 11,193,045,658.20 is: 16,789,568,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,488,000.60 : 18,821,232,000.90 = 11,193,045,658.20 : x
  2. Step 2: Convert to fraction form
    12,547,488,000.60/18,821,232,000.90 = 11,193,045,658.20/x
  3. Step 3: Cross multiply
    12,547,488,000.60x = 18,821,232,000.90 × 11,193,045,658.20
  4. Step 4: Simplify right side
    12,547,488,000.60x = 210,666,909,129,648,668,672
  5. Step 5: Solve for x
    x = 210,666,909,129,648,668,672/12,547,488,000.60
  6. Step 6: Final answer
    x = 16,789,568,487.30

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Double scale
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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.