Home / 252,601,269.40-378,901,904.10-221,360,411.80

Finding the Fourth Proportional to 252,601,269.40, 378,901,904.10 and 221,360,411.80

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Solution

The fourth proportional to 252,601,269.40, 378,901,904.10 and 221,360,411.80 is: 332,040,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,601,269.40 : 378,901,904.10 = 221,360,411.80 : x
  2. Step 2: Convert to fraction form
    252,601,269.40/378,901,904.10 = 221,360,411.80/x
  3. Step 3: Cross multiply
    252,601,269.40x = 378,901,904.10 × 221,360,411.80
  4. Step 4: Simplify right side
    252,601,269.40x = 83,873,881,523,380,112
  5. Step 5: Solve for x
    x = 83,873,881,523,380,112/252,601,269.40
  6. Step 6: Final answer
    x = 332,040,617.70

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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.