Home / 386,241,921.90-579,362,882.85-222,983,246.70

Finding the Fourth Proportional to 386,241,921.90, 579,362,882.85 and 222,983,246.70

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Solution

The fourth proportional to 386,241,921.90, 579,362,882.85 and 222,983,246.70 is: 334,474,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,241,921.90 : 579,362,882.85 = 222,983,246.70 : x
  2. Step 2: Convert to fraction form
    386,241,921.90/579,362,882.85 = 222,983,246.70/x
  3. Step 3: Cross multiply
    386,241,921.90x = 579,362,882.85 × 222,983,246.70
  4. Step 4: Simplify right side
    386,241,921.90x = 129,188,216,635,364,752
  5. Step 5: Solve for x
    x = 129,188,216,635,364,752/386,241,921.90
  6. Step 6: Final answer
    x = 334,474,870.05

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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.