Home / 453,307,178.40-680,128,729.20-180,873,463.20

Finding the Fourth Proportional to 453,307,178.40, 680,128,729.20 and 180,873,463.20

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Solution

The fourth proportional to 453,307,178.40, 680,128,729.20 and 180,873,463.20 is: 271,377,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,307,178.40 : 680,128,729.20 = 180,873,463.20 : x
  2. Step 2: Convert to fraction form
    453,307,178.40/680,128,729.20 = 180,873,463.20/x
  3. Step 3: Cross multiply
    453,307,178.40x = 680,128,729.20 × 180,873,463.20
  4. Step 4: Simplify right side
    453,307,178.40x = 123,017,238,672,218,960
  5. Step 5: Solve for x
    x = 123,017,238,672,218,960/453,307,178.40
  6. Step 6: Final answer
    x = 271,377,212.92

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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.