Home / 265,720,963.20-398,581,444.80-162,408,832.80

Finding the Fourth Proportional to 265,720,963.20, 398,581,444.80 and 162,408,832.80

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Solution

The fourth proportional to 265,720,963.20, 398,581,444.80 and 162,408,832.80 is: 243,613,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,963.20 : 398,581,444.80 = 162,408,832.80 : x
  2. Step 2: Convert to fraction form
    265,720,963.20/398,581,444.80 = 162,408,832.80/x
  3. Step 3: Cross multiply
    265,720,963.20x = 398,581,444.80 × 162,408,832.80
  4. Step 4: Simplify right side
    265,720,963.20x = 64,733,147,225,705,640
  5. Step 5: Solve for x
    x = 64,733,147,225,705,640/265,720,963.20
  6. Step 6: Final answer
    x = 243,613,249.20

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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.