Home / 489,274,381.32-733,050,635.94-460,146,107.40

Finding the Fourth Proportional to 489,274,381.32, 733,050,635.94 and 460,146,107.40

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Solution

The fourth proportional to 489,274,381.32, 733,050,635.94 and 460,146,107.40 is: 689,409,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,274,381.32 : 733,050,635.94 = 460,146,107.40 : x
  2. Step 2: Convert to fraction form
    489,274,381.32/733,050,635.94 = 460,146,107.40/x
  3. Step 3: Cross multiply
    489,274,381.32x = 733,050,635.94 × 460,146,107.40
  4. Step 4: Simplify right side
    489,274,381.32x = 337,310,396,654,885,568
  5. Step 5: Solve for x
    x = 337,310,396,654,885,568/489,274,381.32
  6. Step 6: Final answer
    x = 689,409,479.70

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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.