Home / 451,036,803.70-676,555,205.55-221,454,291.70

Finding the Fourth Proportional to 451,036,803.70, 676,555,205.55 and 221,454,291.70

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Solution

The fourth proportional to 451,036,803.70, 676,555,205.55 and 221,454,291.70 is: 332,181,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,036,803.70 : 676,555,205.55 = 221,454,291.70 : x
  2. Step 2: Convert to fraction form
    451,036,803.70/676,555,205.55 = 221,454,291.70/x
  3. Step 3: Cross multiply
    451,036,803.70x = 676,555,205.55 × 221,454,291.70
  4. Step 4: Simplify right side
    451,036,803.70x = 149,826,053,841,023,136
  5. Step 5: Solve for x
    x = 149,826,053,841,023,136/451,036,803.70
  6. Step 6: Final answer
    x = 332,181,437.55

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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.