Home / 728,204,595.80-1,092,684,807.30-319,302,080.60

Finding the Fourth Proportional to 728,204,595.80, 1,092,684,807.30 and 319,302,080.60

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Solution

The fourth proportional to 728,204,595.80, 1,092,684,807.30 and 319,302,080.60 is: 479,118,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,204,595.80 : 1,092,684,807.30 = 319,302,080.60 : x
  2. Step 2: Convert to fraction form
    728,204,595.80/1,092,684,807.30 = 319,302,080.60/x
  3. Step 3: Cross multiply
    728,204,595.80x = 1,092,684,807.30 × 319,302,080.60
  4. Step 4: Simplify right side
    728,204,595.80x = 348,896,532,410,900,096
  5. Step 5: Solve for x
    x = 348,896,532,410,900,096/728,204,595.80
  6. Step 6: Final answer
    x = 479,118,827.90

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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.