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Finding the Fourth Proportional to 598,881,610.60, 898,322,415.90 and 511,205,655.40

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Solution

The fourth proportional to 598,881,610.60, 898,322,415.90 and 511,205,655.40 is: 766,808,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,881,610.60 : 898,322,415.90 = 511,205,655.40 : x
  2. Step 2: Convert to fraction form
    598,881,610.60/898,322,415.90 = 511,205,655.40/x
  3. Step 3: Cross multiply
    598,881,610.60x = 898,322,415.90 × 511,205,655.40
  4. Step 4: Simplify right side
    598,881,610.60x = 459,227,499,380,670,848
  5. Step 5: Solve for x
    x = 459,227,499,380,670,848/598,881,610.60
  6. Step 6: Final answer
    x = 766,808,483.10

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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.