Home / 851,796,121.80-1,277,694,182.70-706,393,864.20

Finding the Fourth Proportional to 851,796,121.80, 1,277,694,182.70 and 706,393,864.20

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Solution

The fourth proportional to 851,796,121.80, 1,277,694,182.70 and 706,393,864.20 is: 1,059,590,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,796,121.80 : 1,277,694,182.70 = 706,393,864.20 : x
  2. Step 2: Convert to fraction form
    851,796,121.80/1,277,694,182.70 = 706,393,864.20/x
  3. Step 3: Cross multiply
    851,796,121.80x = 1,277,694,182.70 × 706,393,864.20
  4. Step 4: Simplify right side
    851,796,121.80x = 902,555,330,983,313,920
  5. Step 5: Solve for x
    x = 902,555,330,983,313,920/851,796,121.80
  6. Step 6: Final answer
    x = 1,059,590,796.30

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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.