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Finding the Fourth Proportional to 615,672,100.98, 849,627,957.41 and 333,416,732.81

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Solution

The fourth proportional to 615,672,100.98, 849,627,957.41 and 333,416,732.81 is: 460,115,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,672,100.98 : 849,627,957.41 = 333,416,732.81 : x
  2. Step 2: Convert to fraction form
    615,672,100.98/849,627,957.41 = 333,416,732.81/x
  3. Step 3: Cross multiply
    615,672,100.98x = 849,627,957.41 × 333,416,732.81
  4. Step 4: Simplify right side
    615,672,100.98x = 283,280,177,660,261,440
  5. Step 5: Solve for x
    x = 283,280,177,660,261,440/615,672,100.98
  6. Step 6: Final answer
    x = 460,115,339.33

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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.