Home / 442,868,710.10-664,303,065.15-440,317,793.30

Finding the Fourth Proportional to 442,868,710.10, 664,303,065.15 and 440,317,793.30

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Solution

The fourth proportional to 442,868,710.10, 664,303,065.15 and 440,317,793.30 is: 660,476,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,710.10 : 664,303,065.15 = 440,317,793.30 : x
  2. Step 2: Convert to fraction form
    442,868,710.10/664,303,065.15 = 440,317,793.30/x
  3. Step 3: Cross multiply
    442,868,710.10x = 664,303,065.15 × 440,317,793.30
  4. Step 4: Simplify right side
    442,868,710.10x = 292,504,459,729,274,112
  5. Step 5: Solve for x
    x = 292,504,459,729,274,112/442,868,710.10
  6. Step 6: Final answer
    x = 660,476,689.95

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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.