Home / 627,248,777.96-865,567,776.57-348,784,322.78

Finding the Fourth Proportional to 627,248,777.96, 865,567,776.57 and 348,784,322.78

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Solution

The fourth proportional to 627,248,777.96, 865,567,776.57 and 348,784,322.78 is: 481,302,604.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,248,777.96 : 865,567,776.57 = 348,784,322.78 : x
  2. Step 2: Convert to fraction form
    627,248,777.96/865,567,776.57 = 348,784,322.78/x
  3. Step 3: Cross multiply
    627,248,777.96x = 865,567,776.57 × 348,784,322.78
  4. Step 4: Simplify right side
    627,248,777.96x = 301,896,470,766,829,952
  5. Step 5: Solve for x
    x = 301,896,470,766,829,952/627,248,777.96
  6. Step 6: Final answer
    x = 481,302,604.93

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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.