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Finding the Fourth Proportional to 704,406,760.31, 972,171,009.66 and 425,950,276.73

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Solution

The fourth proportional to 704,406,760.31, 972,171,009.66 and 425,950,276.73 is: 587,865,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,406,760.31 : 972,171,009.66 = 425,950,276.73 : x
  2. Step 2: Convert to fraction form
    704,406,760.31/972,171,009.66 = 425,950,276.73/x
  3. Step 3: Cross multiply
    704,406,760.31x = 972,171,009.66 × 425,950,276.73
  4. Step 4: Simplify right side
    704,406,760.31x = 414,096,510,593,560,512
  5. Step 5: Solve for x
    x = 414,096,510,593,560,512/704,406,760.31
  6. Step 6: Final answer
    x = 587,865,611.07

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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.