Home / 276,309,253-381,340,206.36-157,260,791.68

Finding the Fourth Proportional to 276,309,253, 381,340,206.36 and 157,260,791.68

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Solution

The fourth proportional to 276,309,253, 381,340,206.36 and 157,260,791.68 is: 217,038,923.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,309,253 : 381,340,206.36 = 157,260,791.68 : x
  2. Step 2: Convert to fraction form
    276,309,253/381,340,206.36 = 157,260,791.68/x
  3. Step 3: Cross multiply
    276,309,253x = 381,340,206.36 × 157,260,791.68
  4. Step 4: Simplify right side
    276,309,253x = 59,969,862,751,588,176
  5. Step 5: Solve for x
    x = 59,969,862,751,588,176/276,309,253
  6. Step 6: Final answer
    x = 217,038,923.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.