Home / 16,147,209,919.42-22,283,071,996.09-8,913,194,118.79

Finding the Fourth Proportional to 16,147,209,919.42, 22,283,071,996.09 and 8,913,194,118.79

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Solution

The fourth proportional to 16,147,209,919.42, 22,283,071,996.09 and 8,913,194,118.79 is: 12,300,164,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,147,209,919.42 : 22,283,071,996.09 = 8,913,194,118.79 : x
  2. Step 2: Convert to fraction form
    16,147,209,919.42/22,283,071,996.09 = 8,913,194,118.79/x
  3. Step 3: Cross multiply
    16,147,209,919.42x = 22,283,071,996.09 × 8,913,194,118.79
  4. Step 4: Simplify right side
    16,147,209,919.42x = 198,613,346,264,012,128,256
  5. Step 5: Solve for x
    x = 198,613,346,264,012,128,256/16,147,209,919.42
  6. Step 6: Final answer
    x = 12,300,164,997.86

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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.