Home / 1,738,164,012.70-2,607,246,019.05-1,187,165,983.90

Finding the Fourth Proportional to 1,738,164,012.70, 2,607,246,019.05 and 1,187,165,983.90

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Solution

The fourth proportional to 1,738,164,012.70, 2,607,246,019.05 and 1,187,165,983.90 is: 1,780,748,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,164,012.70 : 2,607,246,019.05 = 1,187,165,983.90 : x
  2. Step 2: Convert to fraction form
    1,738,164,012.70/2,607,246,019.05 = 1,187,165,983.90/x
  3. Step 3: Cross multiply
    1,738,164,012.70x = 2,607,246,019.05 × 1,187,165,983.90
  4. Step 4: Simplify right side
    1,738,164,012.70x = 3,095,233,785,474,851,840
  5. Step 5: Solve for x
    x = 3,095,233,785,474,851,840/1,738,164,012.70
  6. Step 6: Final answer
    x = 1,780,748,975.85

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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.