Home / 740,360,037.60-1,110,540,056.40-280,313,215.20

Finding the Fourth Proportional to 740,360,037.60, 1,110,540,056.40 and 280,313,215.20

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Solution

The fourth proportional to 740,360,037.60, 1,110,540,056.40 and 280,313,215.20 is: 420,469,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,360,037.60 : 1,110,540,056.40 = 280,313,215.20 : x
  2. Step 2: Convert to fraction form
    740,360,037.60/1,110,540,056.40 = 280,313,215.20/x
  3. Step 3: Cross multiply
    740,360,037.60x = 1,110,540,056.40 × 280,313,215.20
  4. Step 4: Simplify right side
    740,360,037.60x = 311,299,053,817,873,344
  5. Step 5: Solve for x
    x = 311,299,053,817,873,344/740,360,037.60
  6. Step 6: Final answer
    x = 420,469,822.80

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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.