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Finding the Fourth Proportional to 544,510,903.80, 816,766,355.70 and 135,567,054.30

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Solution

The fourth proportional to 544,510,903.80, 816,766,355.70 and 135,567,054.30 is: 203,350,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,510,903.80 : 816,766,355.70 = 135,567,054.30 : x
  2. Step 2: Convert to fraction form
    544,510,903.80/816,766,355.70 = 135,567,054.30/x
  3. Step 3: Cross multiply
    544,510,903.80x = 816,766,355.70 × 135,567,054.30
  4. Step 4: Simplify right side
    544,510,903.80x = 110,726,608,893,595,024
  5. Step 5: Solve for x
    x = 110,726,608,893,595,024/544,510,903.80
  6. Step 6: Final answer
    x = 203,350,581.45

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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.