Home / 1,259,715,680.20-1,889,573,520.30-706,450,169.80

Finding the Fourth Proportional to 1,259,715,680.20, 1,889,573,520.30 and 706,450,169.80

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Solution

The fourth proportional to 1,259,715,680.20, 1,889,573,520.30 and 706,450,169.80 is: 1,059,675,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,715,680.20 : 1,889,573,520.30 = 706,450,169.80 : x
  2. Step 2: Convert to fraction form
    1,259,715,680.20/1,889,573,520.30 = 706,450,169.80/x
  3. Step 3: Cross multiply
    1,259,715,680.20x = 1,889,573,520.30 × 706,450,169.80
  4. Step 4: Simplify right side
    1,259,715,680.20x = 1,334,889,534,265,518,592
  5. Step 5: Solve for x
    x = 1,334,889,534,265,518,592/1,259,715,680.20
  6. Step 6: Final answer
    x = 1,059,675,254.70

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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.