Home / 804,834,481.80-1,207,251,722.70-287,281,806.60

Finding the Fourth Proportional to 804,834,481.80, 1,207,251,722.70 and 287,281,806.60

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Solution

The fourth proportional to 804,834,481.80, 1,207,251,722.70 and 287,281,806.60 is: 430,922,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,834,481.80 : 1,207,251,722.70 = 287,281,806.60 : x
  2. Step 2: Convert to fraction form
    804,834,481.80/1,207,251,722.70 = 287,281,806.60/x
  3. Step 3: Cross multiply
    804,834,481.80x = 1,207,251,722.70 × 287,281,806.60
  4. Step 4: Simplify right side
    804,834,481.80x = 346,821,455,918,218,304
  5. Step 5: Solve for x
    x = 346,821,455,918,218,304/804,834,481.80
  6. Step 6: Final answer
    x = 430,922,709.90

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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.