Home / 329,508,720.80-494,263,081.20-292,520,427.20

Finding the Fourth Proportional to 329,508,720.80, 494,263,081.20 and 292,520,427.20

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Solution

The fourth proportional to 329,508,720.80, 494,263,081.20 and 292,520,427.20 is: 438,780,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,508,720.80 : 494,263,081.20 = 292,520,427.20 : x
  2. Step 2: Convert to fraction form
    329,508,720.80/494,263,081.20 = 292,520,427.20/x
  3. Step 3: Cross multiply
    329,508,720.80x = 494,263,081.20 × 292,520,427.20
  4. Step 4: Simplify right side
    329,508,720.80x = 144,582,047,661,812,288
  5. Step 5: Solve for x
    x = 144,582,047,661,812,288/329,508,720.80
  6. Step 6: Final answer
    x = 438,780,640.80

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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.