Home / 14,687,521,582.15-20,268,848,422.76-8,344,237,488.20

Finding the Fourth Proportional to 14,687,521,582.15, 20,268,848,422.76 and 8,344,237,488.20

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Solution

The fourth proportional to 14,687,521,582.15, 20,268,848,422.76 and 8,344,237,488.20 is: 11,515,086,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,521,582.15 : 20,268,848,422.76 = 8,344,237,488.20 : x
  2. Step 2: Convert to fraction form
    14,687,521,582.15/20,268,848,422.76 = 8,344,237,488.20/x
  3. Step 3: Cross multiply
    14,687,521,582.15x = 20,268,848,422.76 × 8,344,237,488.20
  4. Step 4: Simplify right side
    14,687,521,582.15x = 169,128,084,851,837,403,136
  5. Step 5: Solve for x
    x = 169,128,084,851,837,403,136/14,687,521,582.15
  6. Step 6: Final answer
    x = 11,515,086,728.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.