Home / 8,439,552,021.80-12,659,328,032.70-5,827,413,218.60

Finding the Fourth Proportional to 8,439,552,021.80, 12,659,328,032.70 and 5,827,413,218.60

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Solution

The fourth proportional to 8,439,552,021.80, 12,659,328,032.70 and 5,827,413,218.60 is: 8,741,119,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439,552,021.80 : 12,659,328,032.70 = 5,827,413,218.60 : x
  2. Step 2: Convert to fraction form
    8,439,552,021.80/12,659,328,032.70 = 5,827,413,218.60/x
  3. Step 3: Cross multiply
    8,439,552,021.80x = 12,659,328,032.70 × 5,827,413,218.60
  4. Step 4: Simplify right side
    8,439,552,021.80x = 73,771,135,516,349,521,920
  5. Step 5: Solve for x
    x = 73,771,135,516,349,521,920/8,439,552,021.80
  6. Step 6: Final answer
    x = 8,741,119,827.90

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Double scale
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Similar ratio
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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.