Home / 280,179,010.80-419,134,775.40-246,166,786.80

Finding the Fourth Proportional to 280,179,010.80, 419,134,775.40 and 246,166,786.80

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Solution

The fourth proportional to 280,179,010.80, 419,134,775.40 and 246,166,786.80 is: 368,254,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,179,010.80 : 419,134,775.40 = 246,166,786.80 : x
  2. Step 2: Convert to fraction form
    280,179,010.80/419,134,775.40 = 246,166,786.80/x
  3. Step 3: Cross multiply
    280,179,010.80x = 419,134,775.40 × 246,166,786.80
  4. Step 4: Simplify right side
    280,179,010.80x = 103,177,060,896,357,680
  5. Step 5: Solve for x
    x = 103,177,060,896,357,680/280,179,010.80
  6. Step 6: Final answer
    x = 368,254,069.43

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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.