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Finding the Fourth Proportional to 956,958,978.88, 1,435,438,470.24 and 229,947,691.84

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Solution

The fourth proportional to 956,958,978.88, 1,435,438,470.24 and 229,947,691.84 is: 344,921,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,958,978.88 : 1,435,438,470.24 = 229,947,691.84 : x
  2. Step 2: Convert to fraction form
    956,958,978.88/1,435,438,470.24 = 229,947,691.84/x
  3. Step 3: Cross multiply
    956,958,978.88x = 1,435,438,470.24 × 229,947,691.84
  4. Step 4: Simplify right side
    956,958,978.88x = 330,075,763,010,028,544
  5. Step 5: Solve for x
    x = 330,075,763,010,028,544/956,958,978.88
  6. Step 6: Final answer
    x = 344,921,538.22

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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.