Home / 21,551,669,439.90-32,327,504,159.85-12,735,700,979.10

Finding the Fourth Proportional to 21,551,669,439.90, 32,327,504,159.85 and 12,735,700,979.10

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Solution

The fourth proportional to 21,551,669,439.90, 32,327,504,159.85 and 12,735,700,979.10 is: 19,103,551,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,669,439.90 : 32,327,504,159.85 = 12,735,700,979.10 : x
  2. Step 2: Convert to fraction form
    21,551,669,439.90/32,327,504,159.85 = 12,735,700,979.10/x
  3. Step 3: Cross multiply
    21,551,669,439.90x = 32,327,504,159.85 × 12,735,700,979.10
  4. Step 4: Simplify right side
    21,551,669,439.90x = 411,713,426,380,460,982,272
  5. Step 5: Solve for x
    x = 411,713,426,380,460,982,272/21,551,669,439.90
  6. Step 6: Final answer
    x = 19,103,551,468.65

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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.