Home / 847,816,205.12-1,272,217,824.48-356,493,919.04

Finding the Fourth Proportional to 847,816,205.12, 1,272,217,824.48 and 356,493,919.04

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Solution

The fourth proportional to 847,816,205.12, 1,272,217,824.48 and 356,493,919.04 is: 534,948,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,816,205.12 : 1,272,217,824.48 = 356,493,919.04 : x
  2. Step 2: Convert to fraction form
    847,816,205.12/1,272,217,824.48 = 356,493,919.04/x
  3. Step 3: Cross multiply
    847,816,205.12x = 1,272,217,824.48 × 356,493,919.04
  4. Step 4: Simplify right side
    847,816,205.12x = 453,537,918,121,418,112
  5. Step 5: Solve for x
    x = 453,537,918,121,418,112/847,816,205.12
  6. Step 6: Final answer
    x = 534,948,394.93

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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.