Home / 265,720,516.20-398,580,774.30-162,408,385.80

Finding the Fourth Proportional to 265,720,516.20, 398,580,774.30 and 162,408,385.80

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Solution

The fourth proportional to 265,720,516.20, 398,580,774.30 and 162,408,385.80 is: 243,612,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,516.20 : 398,580,774.30 = 162,408,385.80 : x
  2. Step 2: Convert to fraction form
    265,720,516.20/398,580,774.30 = 162,408,385.80/x
  3. Step 3: Cross multiply
    265,720,516.20x = 398,580,774.30 × 162,408,385.80
  4. Step 4: Simplify right side
    265,720,516.20x = 64,732,860,164,977,128
  5. Step 5: Solve for x
    x = 64,732,860,164,977,128/265,720,516.20
  6. Step 6: Final answer
    x = 243,612,578.70

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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.