Home / 265,720,517.20-398,580,775.80-162,408,386.80

Finding the Fourth Proportional to 265,720,517.20, 398,580,775.80 and 162,408,386.80

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Solution

The fourth proportional to 265,720,517.20, 398,580,775.80 and 162,408,386.80 is: 243,612,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,517.20 : 398,580,775.80 = 162,408,386.80 : x
  2. Step 2: Convert to fraction form
    265,720,517.20/398,580,775.80 = 162,408,386.80/x
  3. Step 3: Cross multiply
    265,720,517.20x = 398,580,775.80 × 162,408,386.80
  4. Step 4: Simplify right side
    265,720,517.20x = 64,732,860,807,170,488
  5. Step 5: Solve for x
    x = 64,732,860,807,170,488/265,720,517.20
  6. Step 6: Final answer
    x = 243,612,580.20

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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.