Home / 323,734,719.70-485,602,079.55-289,722,495.70

Finding the Fourth Proportional to 323,734,719.70, 485,602,079.55 and 289,722,495.70

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Solution

The fourth proportional to 323,734,719.70, 485,602,079.55 and 289,722,495.70 is: 434,583,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,734,719.70 : 485,602,079.55 = 289,722,495.70 : x
  2. Step 2: Convert to fraction form
    323,734,719.70/485,602,079.55 = 289,722,495.70/x
  3. Step 3: Cross multiply
    323,734,719.70x = 485,602,079.55 × 289,722,495.70
  4. Step 4: Simplify right side
    323,734,719.70x = 140,689,846,404,335,936
  5. Step 5: Solve for x
    x = 140,689,846,404,335,936/323,734,719.70
  6. Step 6: Final answer
    x = 434,583,743.55

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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.