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Finding the Fourth Proportional to 545,962,652.40, 818,943,978.60 and 177,496,892.40

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Solution

The fourth proportional to 545,962,652.40, 818,943,978.60 and 177,496,892.40 is: 266,245,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,962,652.40 : 818,943,978.60 = 177,496,892.40 : x
  2. Step 2: Convert to fraction form
    545,962,652.40/818,943,978.60 = 177,496,892.40/x
  3. Step 3: Cross multiply
    545,962,652.40x = 818,943,978.60 × 177,496,892.40
  4. Step 4: Simplify right side
    545,962,652.40x = 145,360,011,251,192,096
  5. Step 5: Solve for x
    x = 145,360,011,251,192,096/545,962,652.40
  6. Step 6: Final answer
    x = 266,245,338.60

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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.