Home / 265,776,002.80-398,664,004.20-163,207,452.40

Finding the Fourth Proportional to 265,776,002.80, 398,664,004.20 and 163,207,452.40

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Solution

The fourth proportional to 265,776,002.80, 398,664,004.20 and 163,207,452.40 is: 244,811,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,776,002.80 : 398,664,004.20 = 163,207,452.40 : x
  2. Step 2: Convert to fraction form
    265,776,002.80/398,664,004.20 = 163,207,452.40/x
  3. Step 3: Cross multiply
    265,776,002.80x = 398,664,004.20 × 163,207,452.40
  4. Step 4: Simplify right side
    265,776,002.80x = 65,064,936,489,064,904
  5. Step 5: Solve for x
    x = 65,064,936,489,064,904/265,776,002.80
  6. Step 6: Final answer
    x = 244,811,178.60

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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.