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Finding the Fourth Proportional to 598,883,329.60, 898,324,994.40 and 511,207,374.40

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Solution

The fourth proportional to 598,883,329.60, 898,324,994.40 and 511,207,374.40 is: 766,811,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,883,329.60 : 898,324,994.40 = 511,207,374.40 : x
  2. Step 2: Convert to fraction form
    598,883,329.60/898,324,994.40 = 511,207,374.40/x
  3. Step 3: Cross multiply
    598,883,329.60x = 898,324,994.40 × 511,207,374.40
  4. Step 4: Simplify right side
    598,883,329.60x = 459,230,361,745,118,656
  5. Step 5: Solve for x
    x = 459,230,361,745,118,656/598,883,329.60
  6. Step 6: Final answer
    x = 766,811,061.60

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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.