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Finding the Fourth Proportional to 598,456,510.80, 898,251,636.60 and 368,873,998.80

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Solution

The fourth proportional to 598,456,510.80, 898,251,636.60 and 368,873,998.80 is: 553,660,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,456,510.80 : 898,251,636.60 = 368,873,998.80 : x
  2. Step 2: Convert to fraction form
    598,456,510.80/898,251,636.60 = 368,873,998.80/x
  3. Step 3: Cross multiply
    598,456,510.80x = 898,251,636.60 × 368,873,998.80
  4. Step 4: Simplify right side
    598,456,510.80x = 331,341,673,121,286,464
  5. Step 5: Solve for x
    x = 331,341,673,121,286,464/598,456,510.80
  6. Step 6: Final answer
    x = 553,660,403.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.