Home / 658,810,919.19-988,181,574.35-216,095,282.86

Finding the Fourth Proportional to 658,810,919.19, 988,181,574.35 and 216,095,282.86

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Solution

The fourth proportional to 658,810,919.19, 988,181,574.35 and 216,095,282.86 is: 324,131,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,810,919.19 : 988,181,574.35 = 216,095,282.86 : x
  2. Step 2: Convert to fraction form
    658,810,919.19/988,181,574.35 = 216,095,282.86/x
  3. Step 3: Cross multiply
    658,810,919.19x = 988,181,574.35 × 216,095,282.86
  4. Step 4: Simplify right side
    658,810,919.19x = 213,541,376,824,273,120
  5. Step 5: Solve for x
    x = 213,541,376,824,273,120/658,810,919.19
  6. Step 6: Final answer
    x = 324,131,508.15

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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.