Home / 632,172,795.74-872,379,519-349,926,805.69

Finding the Fourth Proportional to 632,172,795.74, 872,379,519 and 349,926,805.69

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Solution

The fourth proportional to 632,172,795.74, 872,379,519 and 349,926,805.69 is: 482,888,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,172,795.74 : 872,379,519 = 349,926,805.69 : x
  2. Step 2: Convert to fraction form
    632,172,795.74/872,379,519 = 349,926,805.69/x
  3. Step 3: Cross multiply
    632,172,795.74x = 872,379,519 × 349,926,805.69
  4. Step 4: Simplify right side
    632,172,795.74x = 305,268,978,428,686,784
  5. Step 5: Solve for x
    x = 305,268,978,428,686,784/632,172,795.74
  6. Step 6: Final answer
    x = 482,888,508.47

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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.