Home / 2,171,045,169.62-3,248,349,831.24-1,286,205,573.89

Finding the Fourth Proportional to 2,171,045,169.62, 3,248,349,831.24 and 1,286,205,573.89

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Solution

The fourth proportional to 2,171,045,169.62, 3,248,349,831.24 and 1,286,205,573.89 is: 1,924,439,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,045,169.62 : 3,248,349,831.24 = 1,286,205,573.89 : x
  2. Step 2: Convert to fraction form
    2,171,045,169.62/3,248,349,831.24 = 1,286,205,573.89/x
  3. Step 3: Cross multiply
    2,171,045,169.62x = 3,248,349,831.24 × 1,286,205,573.89
  4. Step 4: Simplify right side
    2,171,045,169.62x = 4,178,045,658,888,761,856
  5. Step 5: Solve for x
    x = 4,178,045,658,888,761,856/2,171,045,169.62
  6. Step 6: Final answer
    x = 1,924,439,766.32

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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.