Home / 12,747,990,164.80-19,121,985,247.20-4,465,801,044.40

Finding the Fourth Proportional to 12,747,990,164.80, 19,121,985,247.20 and 4,465,801,044.40

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Solution

The fourth proportional to 12,747,990,164.80, 19,121,985,247.20 and 4,465,801,044.40 is: 6,698,701,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,990,164.80 : 19,121,985,247.20 = 4,465,801,044.40 : x
  2. Step 2: Convert to fraction form
    12,747,990,164.80/19,121,985,247.20 = 4,465,801,044.40/x
  3. Step 3: Cross multiply
    12,747,990,164.80x = 19,121,985,247.20 × 4,465,801,044.40
  4. Step 4: Simplify right side
    12,747,990,164.80x = 85,394,981,687,947,149,312
  5. Step 5: Solve for x
    x = 85,394,981,687,947,149,312/12,747,990,164.80
  6. Step 6: Final answer
    x = 6,698,701,566.60

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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.