Home / 439,913,844.09-659,622,038.22-144,729,084.87

Finding the Fourth Proportional to 439,913,844.09, 659,622,038.22 and 144,729,084.87

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Solution

The fourth proportional to 439,913,844.09, 659,622,038.22 and 144,729,084.87 is: 217,011,797.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,913,844.09 : 659,622,038.22 = 144,729,084.87 : x
  2. Step 2: Convert to fraction form
    439,913,844.09/659,622,038.22 = 144,729,084.87/x
  3. Step 3: Cross multiply
    439,913,844.09x = 659,622,038.22 × 144,729,084.87
  4. Step 4: Simplify right side
    439,913,844.09x = 95,466,493,951,664,768
  5. Step 5: Solve for x
    x = 95,466,493,951,664,768/439,913,844.09
  6. Step 6: Final answer
    x = 217,011,797.27

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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.