Home / 895,941,770.78-1,236,336,508.48-499,447,221.96

Finding the Fourth Proportional to 895,941,770.78, 1,236,336,508.48 and 499,447,221.96

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Solution

The fourth proportional to 895,941,770.78, 1,236,336,508.48 and 499,447,221.96 is: 689,201,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,941,770.78 : 1,236,336,508.48 = 499,447,221.96 : x
  2. Step 2: Convert to fraction form
    895,941,770.78/1,236,336,508.48 = 499,447,221.96/x
  3. Step 3: Cross multiply
    895,941,770.78x = 1,236,336,508.48 × 499,447,221.96
  4. Step 4: Simplify right side
    895,941,770.78x = 617,484,834,568,061,952
  5. Step 5: Solve for x
    x = 617,484,834,568,061,952/895,941,770.78
  6. Step 6: Final answer
    x = 689,201,971.27

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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.