Home / 627,372,127.24-865,797,424.74-348,933,784.84

Finding the Fourth Proportional to 627,372,127.24, 865,797,424.74 and 348,933,784.84

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Solution

The fourth proportional to 627,372,127.24, 865,797,424.74 and 348,933,784.84 is: 481,541,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,372,127.24 : 865,797,424.74 = 348,933,784.84 : x
  2. Step 2: Convert to fraction form
    627,372,127.24/865,797,424.74 = 348,933,784.84/x
  3. Step 3: Cross multiply
    627,372,127.24x = 865,797,424.74 × 348,933,784.84
  4. Step 4: Simplify right side
    627,372,127.24x = 302,105,972,319,253,248
  5. Step 5: Solve for x
    x = 302,105,972,319,253,248/627,372,127.24
  6. Step 6: Final answer
    x = 481,541,909.82

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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.