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Finding the Fourth Proportional to 615,649,477.62, 849,597,098.43 and 333,392,405.61

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Solution

The fourth proportional to 615,649,477.62, 849,597,098.43 and 333,392,405.61 is: 460,081,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,649,477.62 : 849,597,098.43 = 333,392,405.61 : x
  2. Step 2: Convert to fraction form
    615,649,477.62/849,597,098.43 = 333,392,405.61/x
  3. Step 3: Cross multiply
    615,649,477.62x = 849,597,098.43 × 333,392,405.61
  4. Step 4: Simplify right side
    615,649,477.62x = 283,249,220,444,853,664
  5. Step 5: Solve for x
    x = 283,249,220,444,853,664/615,649,477.62
  6. Step 6: Final answer
    x = 460,081,963.42

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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.