Home / 1,738,164,011.70-2,607,246,017.55-1,187,165,982.90

Finding the Fourth Proportional to 1,738,164,011.70, 2,607,246,017.55 and 1,187,165,982.90

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Solution

The fourth proportional to 1,738,164,011.70, 2,607,246,017.55 and 1,187,165,982.90 is: 1,780,748,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,164,011.70 : 2,607,246,017.55 = 1,187,165,982.90 : x
  2. Step 2: Convert to fraction form
    1,738,164,011.70/2,607,246,017.55 = 1,187,165,982.90/x
  3. Step 3: Cross multiply
    1,738,164,011.70x = 2,607,246,017.55 × 1,187,165,982.90
  4. Step 4: Simplify right side
    1,738,164,011.70x = 3,095,233,781,086,856,704
  5. Step 5: Solve for x
    x = 3,095,233,781,086,856,704/1,738,164,011.70
  6. Step 6: Final answer
    x = 1,780,748,974.35

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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.