Home / 352,827,752.64-486,902,699.12-196,191,496.64

Finding the Fourth Proportional to 352,827,752.64, 486,902,699.12 and 196,191,496.64

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Solution

The fourth proportional to 352,827,752.64, 486,902,699.12 and 196,191,496.64 is: 270,744,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,827,752.64 : 486,902,699.12 = 196,191,496.64 : x
  2. Step 2: Convert to fraction form
    352,827,752.64/486,902,699.12 = 196,191,496.64/x
  3. Step 3: Cross multiply
    352,827,752.64x = 486,902,699.12 × 196,191,496.64
  4. Step 4: Simplify right side
    352,827,752.64x = 95,526,169,258,408,400
  5. Step 5: Solve for x
    x = 95,526,169,258,408,400/352,827,752.64
  6. Step 6: Final answer
    x = 270,744,488.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.