Home / 2,425,653,458.40-3,638,480,187.60-872,995,432.80

Finding the Fourth Proportional to 2,425,653,458.40, 3,638,480,187.60 and 872,995,432.80

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Solution

The fourth proportional to 2,425,653,458.40, 3,638,480,187.60 and 872,995,432.80 is: 1,309,493,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,653,458.40 : 3,638,480,187.60 = 872,995,432.80 : x
  2. Step 2: Convert to fraction form
    2,425,653,458.40/3,638,480,187.60 = 872,995,432.80/x
  3. Step 3: Cross multiply
    2,425,653,458.40x = 3,638,480,187.60 × 872,995,432.80
  4. Step 4: Simplify right side
    2,425,653,458.40x = 3,176,376,586,108,086,784
  5. Step 5: Solve for x
    x = 3,176,376,586,108,086,784/2,425,653,458.40
  6. Step 6: Final answer
    x = 1,309,493,149.20

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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.