Home / 851,814,966.30-1,277,722,449.45-706,412,708.70

Finding the Fourth Proportional to 851,814,966.30, 1,277,722,449.45 and 706,412,708.70

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Solution

The fourth proportional to 851,814,966.30, 1,277,722,449.45 and 706,412,708.70 is: 1,059,619,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,814,966.30 : 1,277,722,449.45 = 706,412,708.70 : x
  2. Step 2: Convert to fraction form
    851,814,966.30/1,277,722,449.45 = 706,412,708.70/x
  3. Step 3: Cross multiply
    851,814,966.30x = 1,277,722,449.45 × 706,412,708.70
  4. Step 4: Simplify right side
    851,814,966.30x = 902,599,376,482,773,376
  5. Step 5: Solve for x
    x = 902,599,376,482,773,376/851,814,966.30
  6. Step 6: Final answer
    x = 1,059,619,063.05

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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.