Home / 345,452,381.40-476,723,595.12-196,773,446.16

Finding the Fourth Proportional to 345,452,381.40, 476,723,595.12 and 196,773,446.16

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Solution

The fourth proportional to 345,452,381.40, 476,723,595.12 and 196,773,446.16 is: 271,546,961.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,452,381.40 : 476,723,595.12 = 196,773,446.16 : x
  2. Step 2: Convert to fraction form
    345,452,381.40/476,723,595.12 = 196,773,446.16/x
  3. Step 3: Cross multiply
    345,452,381.40x = 476,723,595.12 × 196,773,446.16
  4. Step 4: Simplify right side
    345,452,381.40x = 93,806,544,677,546,960
  5. Step 5: Solve for x
    x = 93,806,544,677,546,960/345,452,381.40
  6. Step 6: Final answer
    x = 271,546,961.98

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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.