Home / 347,298,443.20-520,499,767.20-266,117,003.20

Finding the Fourth Proportional to 347,298,443.20, 520,499,767.20 and 266,117,003.20

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Solution

The fourth proportional to 347,298,443.20, 520,499,767.20 and 266,117,003.20 is: 398,832,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,298,443.20 : 520,499,767.20 = 266,117,003.20 : x
  2. Step 2: Convert to fraction form
    347,298,443.20/520,499,767.20 = 266,117,003.20/x
  3. Step 3: Cross multiply
    347,298,443.20x = 520,499,767.20 × 266,117,003.20
  4. Step 4: Simplify right side
    347,298,443.20x = 138,513,838,213,561,648
  5. Step 5: Solve for x
    x = 138,513,838,213,561,648/347,298,443.20
  6. Step 6: Final answer
    x = 398,832,303.82

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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.