Home / 491,436,394.38-737,258,120.52-159,417,479.32

Finding the Fourth Proportional to 491,436,394.38, 737,258,120.52 and 159,417,479.32

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Solution

The fourth proportional to 491,436,394.38, 737,258,120.52 and 159,417,479.32 is: 239,159,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,436,394.38 : 737,258,120.52 = 159,417,479.32 : x
  2. Step 2: Convert to fraction form
    491,436,394.38/737,258,120.52 = 159,417,479.32/x
  3. Step 3: Cross multiply
    491,436,394.38x = 737,258,120.52 × 159,417,479.32
  4. Step 4: Simplify right side
    491,436,394.38x = 117,531,831,181,499,152
  5. Step 5: Solve for x
    x = 117,531,831,181,499,152/491,436,394.38
  6. Step 6: Final answer
    x = 239,159,802.83

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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.