Home / 313,855,433.54-433,180,463.85-207,821,827.74

Finding the Fourth Proportional to 313,855,433.54, 433,180,463.85 and 207,821,827.74

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Solution

The fourth proportional to 313,855,433.54, 433,180,463.85 and 207,821,827.74 is: 286,833,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,855,433.54 : 433,180,463.85 = 207,821,827.74 : x
  2. Step 2: Convert to fraction form
    313,855,433.54/433,180,463.85 = 207,821,827.74/x
  3. Step 3: Cross multiply
    313,855,433.54x = 433,180,463.85 × 207,821,827.74
  4. Step 4: Simplify right side
    313,855,433.54x = 90,024,355,738,568,000
  5. Step 5: Solve for x
    x = 90,024,355,738,568,000/313,855,433.54
  6. Step 6: Final answer
    x = 286,833,828.95

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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.