Home / 538,564,758-743,252,672.58-297,159,553.30

Finding the Fourth Proportional to 538,564,758, 743,252,672.58 and 297,159,553.30

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Solution

The fourth proportional to 538,564,758, 743,252,672.58 and 297,159,553.30 is: 410,098,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,564,758 : 743,252,672.58 = 297,159,553.30 : x
  2. Step 2: Convert to fraction form
    538,564,758/743,252,672.58 = 297,159,553.30/x
  3. Step 3: Cross multiply
    538,564,758x = 743,252,672.58 × 297,159,553.30
  4. Step 4: Simplify right side
    538,564,758x = 220,864,632,172,903,968
  5. Step 5: Solve for x
    x = 220,864,632,172,903,968/538,564,758
  6. Step 6: Final answer
    x = 410,098,560.84

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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.