Home / 400,231,643.12-600,450,970.80-234,375,217.10

Finding the Fourth Proportional to 400,231,643.12, 600,450,970.80 and 234,375,217.10

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Solution

The fourth proportional to 400,231,643.12, 600,450,970.80 and 234,375,217.10 is: 351,623,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,231,643.12 : 600,450,970.80 = 234,375,217.10 : x
  2. Step 2: Convert to fraction form
    400,231,643.12/600,450,970.80 = 234,375,217.10/x
  3. Step 3: Cross multiply
    400,231,643.12x = 600,450,970.80 × 234,375,217.10
  4. Step 4: Simplify right side
    400,231,643.12x = 140,730,826,639,155,744
  5. Step 5: Solve for x
    x = 140,730,826,639,155,744/400,231,643.12
  6. Step 6: Final answer
    x = 351,623,438.72

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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.