Home / 8,460,641,104.40-12,690,961,656.60-2,644,541,469.20

Finding the Fourth Proportional to 8,460,641,104.40, 12,690,961,656.60 and 2,644,541,469.20

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Solution

The fourth proportional to 8,460,641,104.40, 12,690,961,656.60 and 2,644,541,469.20 is: 3,966,812,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460,641,104.40 : 12,690,961,656.60 = 2,644,541,469.20 : x
  2. Step 2: Convert to fraction form
    8,460,641,104.40/12,690,961,656.60 = 2,644,541,469.20/x
  3. Step 3: Cross multiply
    8,460,641,104.40x = 12,690,961,656.60 × 2,644,541,469.20
  4. Step 4: Simplify right side
    8,460,641,104.40x = 33,561,774,384,905,830,400
  5. Step 5: Solve for x
    x = 33,561,774,384,905,830,400/8,460,641,104.40
  6. Step 6: Final answer
    x = 3,966,812,203.80

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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.