Home / 320,299,335.20-480,449,002.80-266,730,082.40

Finding the Fourth Proportional to 320,299,335.20, 480,449,002.80 and 266,730,082.40

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Solution

The fourth proportional to 320,299,335.20, 480,449,002.80 and 266,730,082.40 is: 400,095,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,299,335.20 : 480,449,002.80 = 266,730,082.40 : x
  2. Step 2: Convert to fraction form
    320,299,335.20/480,449,002.80 = 266,730,082.40/x
  3. Step 3: Cross multiply
    320,299,335.20x = 480,449,002.80 × 266,730,082.40
  4. Step 4: Simplify right side
    320,299,335.20x = 128,150,202,105,841,840
  5. Step 5: Solve for x
    x = 128,150,202,105,841,840/320,299,335.20
  6. Step 6: Final answer
    x = 400,095,123.60

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1.5x scale

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.