Home / 14,291,012,136.66-21,422,521,404.44-7,998,514,150.74

Finding the Fourth Proportional to 14,291,012,136.66, 21,422,521,404.44 and 7,998,514,150.74

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Solution

The fourth proportional to 14,291,012,136.66, 21,422,521,404.44 and 7,998,514,150.74 is: 11,989,937,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291,012,136.66 : 21,422,521,404.44 = 7,998,514,150.74 : x
  2. Step 2: Convert to fraction form
    14,291,012,136.66/21,422,521,404.44 = 7,998,514,150.74/x
  3. Step 3: Cross multiply
    14,291,012,136.66x = 21,422,521,404.44 × 7,998,514,150.74
  4. Step 4: Simplify right side
    14,291,012,136.66x = 171,348,340,597,943,861,248
  5. Step 5: Solve for x
    x = 171,348,340,597,943,861,248/14,291,012,136.66
  6. Step 6: Final answer
    x = 11,989,937,378.78

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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.