Home / 888,758,865-1,226,499,895.62-512,408,007.72

Finding the Fourth Proportional to 888,758,865, 1,226,499,895.62 and 512,408,007.72

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Solution

The fourth proportional to 888,758,865, 1,226,499,895.62 and 512,408,007.72 is: 707,130,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,758,865 : 1,226,499,895.62 = 512,408,007.72 : x
  2. Step 2: Convert to fraction form
    888,758,865/1,226,499,895.62 = 512,408,007.72/x
  3. Step 3: Cross multiply
    888,758,865x = 1,226,499,895.62 × 512,408,007.72
  4. Step 4: Simplify right side
    888,758,865x = 628,468,367,983,432,192
  5. Step 5: Solve for x
    x = 628,468,367,983,432,192/888,758,865
  6. Step 6: Final answer
    x = 707,130,350.80

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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.