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Finding the Fourth Proportional to 581,449,595.67, 871,684,139.18 and 253,684,703.93

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Solution

The fourth proportional to 581,449,595.67, 871,684,139.18 and 253,684,703.93 is: 380,313,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,449,595.67 : 871,684,139.18 = 253,684,703.93 : x
  2. Step 2: Convert to fraction form
    581,449,595.67/871,684,139.18 = 253,684,703.93/x
  3. Step 3: Cross multiply
    581,449,595.67x = 871,684,139.18 × 253,684,703.93
  4. Step 4: Simplify right side
    581,449,595.67x = 221,132,932,764,631,008
  5. Step 5: Solve for x
    x = 221,132,932,764,631,008/581,449,595.67
  6. Step 6: Final answer
    x = 380,313,159.41

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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.