Home / 784,175,923.86-1,176,391,658.39-231,534,216.65

Finding the Fourth Proportional to 784,175,923.86, 1,176,391,658.39 and 231,534,216.65

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Solution

The fourth proportional to 784,175,923.86, 1,176,391,658.39 and 231,534,216.65 is: 347,339,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,175,923.86 : 1,176,391,658.39 = 231,534,216.65 : x
  2. Step 2: Convert to fraction form
    784,175,923.86/1,176,391,658.39 = 231,534,216.65/x
  3. Step 3: Cross multiply
    784,175,923.86x = 1,176,391,658.39 × 231,534,216.65
  4. Step 4: Simplify right side
    784,175,923.86x = 272,374,921,091,883,424
  5. Step 5: Solve for x
    x = 272,374,921,091,883,424/784,175,923.86
  6. Step 6: Final answer
    x = 347,339,050.85

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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.