Home / 1,279,584,279.60-1,919,376,419.40-1,061,480,893.20

Finding the Fourth Proportional to 1,279,584,279.60, 1,919,376,419.40 and 1,061,480,893.20

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Solution

The fourth proportional to 1,279,584,279.60, 1,919,376,419.40 and 1,061,480,893.20 is: 1,592,221,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,584,279.60 : 1,919,376,419.40 = 1,061,480,893.20 : x
  2. Step 2: Convert to fraction form
    1,279,584,279.60/1,919,376,419.40 = 1,061,480,893.20/x
  3. Step 3: Cross multiply
    1,279,584,279.60x = 1,919,376,419.40 × 1,061,480,893.20
  4. Step 4: Simplify right side
    1,279,584,279.60x = 2,037,381,396,051,729,920
  5. Step 5: Solve for x
    x = 2,037,381,396,051,729,920/1,279,584,279.60
  6. Step 6: Final answer
    x = 1,592,221,339.80

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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.