Home / 1,236,448,043.60-1,854,672,065.40-663,139,115.60

Finding the Fourth Proportional to 1,236,448,043.60, 1,854,672,065.40 and 663,139,115.60

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Solution

The fourth proportional to 1,236,448,043.60, 1,854,672,065.40 and 663,139,115.60 is: 994,708,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,448,043.60 : 1,854,672,065.40 = 663,139,115.60 : x
  2. Step 2: Convert to fraction form
    1,236,448,043.60/1,854,672,065.40 = 663,139,115.60/x
  3. Step 3: Cross multiply
    1,236,448,043.60x = 1,854,672,065.40 × 663,139,115.60
  4. Step 4: Simplify right side
    1,236,448,043.60x = 1,229,905,593,177,381,376
  5. Step 5: Solve for x
    x = 1,229,905,593,177,381,376/1,236,448,043.60
  6. Step 6: Final answer
    x = 994,708,673.40

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Double scale
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Similar ratio
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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.