Home / 440,375,870.14-660,821,388.02-164,217,868.90

Finding the Fourth Proportional to 440,375,870.14, 660,821,388.02 and 164,217,868.90

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Solution

The fourth proportional to 440,375,870.14, 660,821,388.02 and 164,217,868.90 is: 246,422,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,375,870.14 : 660,821,388.02 = 164,217,868.90 : x
  2. Step 2: Convert to fraction form
    440,375,870.14/660,821,388.02 = 164,217,868.90/x
  3. Step 3: Cross multiply
    440,375,870.14x = 660,821,388.02 × 164,217,868.90
  4. Step 4: Simplify right side
    440,375,870.14x = 108,518,680,062,532,336
  5. Step 5: Solve for x
    x = 108,518,680,062,532,336/440,375,870.14
  6. Step 6: Final answer
    x = 246,422,856.98

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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.