Home / 455,088,362.76-627,912,723.57-276,468,680.70

Finding the Fourth Proportional to 455,088,362.76, 627,912,723.57 and 276,468,680.70

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Solution

The fourth proportional to 455,088,362.76, 627,912,723.57 and 276,468,680.70 is: 381,460,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,088,362.76 : 627,912,723.57 = 276,468,680.70 : x
  2. Step 2: Convert to fraction form
    455,088,362.76/627,912,723.57 = 276,468,680.70/x
  3. Step 3: Cross multiply
    455,088,362.76x = 627,912,723.57 × 276,468,680.70
  4. Step 4: Simplify right side
    455,088,362.76x = 173,598,202,280,141,696
  5. Step 5: Solve for x
    x = 173,598,202,280,141,696/455,088,362.76
  6. Step 6: Final answer
    x = 381,460,429.41

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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.