Home / 491,239,117.80-736,646,100.30-200,009,449.80

Finding the Fourth Proportional to 491,239,117.80, 736,646,100.30 and 200,009,449.80

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Solution

The fourth proportional to 491,239,117.80, 736,646,100.30 and 200,009,449.80 is: 299,927,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,239,117.80 : 736,646,100.30 = 200,009,449.80 : x
  2. Step 2: Convert to fraction form
    491,239,117.80/736,646,100.30 = 200,009,449.80/x
  3. Step 3: Cross multiply
    491,239,117.80x = 736,646,100.30 × 200,009,449.80
  4. Step 4: Simplify right side
    491,239,117.80x = 147,336,181,218,318,624
  5. Step 5: Solve for x
    x = 147,336,181,218,318,624/491,239,117.80
  6. Step 6: Final answer
    x = 299,927,623.59

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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.