Home / 442,868,540.10-664,302,810.15-151,638,872.10

Finding the Fourth Proportional to 442,868,540.10, 664,302,810.15 and 151,638,872.10

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Solution

The fourth proportional to 442,868,540.10, 664,302,810.15 and 151,638,872.10 is: 227,458,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,540.10 : 664,302,810.15 = 151,638,872.10 : x
  2. Step 2: Convert to fraction form
    442,868,540.10/664,302,810.15 = 151,638,872.10/x
  3. Step 3: Cross multiply
    442,868,540.10x = 664,302,810.15 × 151,638,872.10
  4. Step 4: Simplify right side
    442,868,540.10x = 100,734,128,864,006,432
  5. Step 5: Solve for x
    x = 100,734,128,864,006,432/442,868,540.10
  6. Step 6: Final answer
    x = 227,458,308.15

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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.