Home / 851,700,250.80-1,278,121,042.80-299,004,320.88

Finding the Fourth Proportional to 851,700,250.80, 1,278,121,042.80 and 299,004,320.88

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Solution

The fourth proportional to 851,700,250.80, 1,278,121,042.80 and 299,004,320.88 is: 448,706,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,700,250.80 : 1,278,121,042.80 = 299,004,320.88 : x
  2. Step 2: Convert to fraction form
    851,700,250.80/1,278,121,042.80 = 299,004,320.88/x
  3. Step 3: Cross multiply
    851,700,250.80x = 1,278,121,042.80 × 299,004,320.88
  4. Step 4: Simplify right side
    851,700,250.80x = 382,163,714,404,851,392
  5. Step 5: Solve for x
    x = 382,163,714,404,851,392/851,700,250.80
  6. Step 6: Final answer
    x = 448,706,823.85

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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.