Home / 1,658,670,390.53-2,288,951,533.41-905,984,045.72

Finding the Fourth Proportional to 1,658,670,390.53, 2,288,951,533.41 and 905,984,045.72

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Solution

The fourth proportional to 1,658,670,390.53, 2,288,951,533.41 and 905,984,045.72 is: 1,250,250,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,670,390.53 : 2,288,951,533.41 = 905,984,045.72 : x
  2. Step 2: Convert to fraction form
    1,658,670,390.53/2,288,951,533.41 = 905,984,045.72/x
  3. Step 3: Cross multiply
    1,658,670,390.53x = 2,288,951,533.41 × 905,984,045.72
  4. Step 4: Simplify right side
    1,658,670,390.53x = 2,073,753,570,695,789,568
  5. Step 5: Solve for x
    x = 2,073,753,570,695,789,568/1,658,670,390.53
  6. Step 6: Final answer
    x = 1,250,250,551.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.