Home / 276,588,642.60-414,903,959.10-82,484,908.20

Finding the Fourth Proportional to 276,588,642.60, 414,903,959.10 and 82,484,908.20

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Solution

The fourth proportional to 276,588,642.60, 414,903,959.10 and 82,484,908.20 is: 123,733,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,588,642.60 : 414,903,959.10 = 82,484,908.20 : x
  2. Step 2: Convert to fraction form
    276,588,642.60/414,903,959.10 = 82,484,908.20/x
  3. Step 3: Cross multiply
    276,588,642.60x = 414,903,959.10 × 82,484,908.20
  4. Step 4: Simplify right side
    276,588,642.60x = 34,223,314,978,180,056
  5. Step 5: Solve for x
    x = 34,223,314,978,180,056/276,588,642.60
  6. Step 6: Final answer
    x = 123,733,623.54

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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.