Home / 489,937,053.50-675,658,981.17-357,568,382.78

Finding the Fourth Proportional to 489,937,053.50, 675,658,981.17 and 357,568,382.78

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Solution

The fourth proportional to 489,937,053.50, 675,658,981.17 and 357,568,382.78 is: 493,112,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,937,053.50 : 675,658,981.17 = 357,568,382.78 : x
  2. Step 2: Convert to fraction form
    489,937,053.50/675,658,981.17 = 357,568,382.78/x
  3. Step 3: Cross multiply
    489,937,053.50x = 675,658,981.17 × 357,568,382.78
  4. Step 4: Simplify right side
    489,937,053.50x = 241,594,289,207,739,328
  5. Step 5: Solve for x
    x = 241,594,289,207,739,328/489,937,053.50
  6. Step 6: Final answer
    x = 493,112,916.20

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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.