Home / 663,799,118.80-916,018,773.04-366,434,977.92

Finding the Fourth Proportional to 663,799,118.80, 916,018,773.04 and 366,434,977.92

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Solution

The fourth proportional to 663,799,118.80, 916,018,773.04 and 366,434,977.92 is: 505,667,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,799,118.80 : 916,018,773.04 = 366,434,977.92 : x
  2. Step 2: Convert to fraction form
    663,799,118.80/916,018,773.04 = 366,434,977.92/x
  3. Step 3: Cross multiply
    663,799,118.80x = 916,018,773.04 × 366,434,977.92
  4. Step 4: Simplify right side
    663,799,118.80x = 335,661,318,873,217,920
  5. Step 5: Solve for x
    x = 335,661,318,873,217,920/663,799,118.80
  6. Step 6: Final answer
    x = 505,667,014.86

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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.