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Finding the Fourth Proportional to 625,896,014.54, 863,693,293.91 and 347,415,616.13

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Solution

The fourth proportional to 625,896,014.54, 863,693,293.91 and 347,415,616.13 is: 479,409,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,896,014.54 : 863,693,293.91 = 347,415,616.13 : x
  2. Step 2: Convert to fraction form
    625,896,014.54/863,693,293.91 = 347,415,616.13/x
  3. Step 3: Cross multiply
    625,896,014.54x = 863,693,293.91 × 347,415,616.13
  4. Step 4: Simplify right side
    625,896,014.54x = 300,060,537,845,036,288
  5. Step 5: Solve for x
    x = 300,060,537,845,036,288/625,896,014.54
  6. Step 6: Final answer
    x = 479,409,567.85

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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.