Home / 489,937,040.52-675,658,963.18-357,568,369.80

Finding the Fourth Proportional to 489,937,040.52, 675,658,963.18 and 357,568,369.80

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Solution

The fourth proportional to 489,937,040.52, 675,658,963.18 and 357,568,369.80 is: 493,112,898.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,937,040.52 : 675,658,963.18 = 357,568,369.80 : x
  2. Step 2: Convert to fraction form
    489,937,040.52/675,658,963.18 = 357,568,369.80/x
  3. Step 3: Cross multiply
    489,937,040.52x = 675,658,963.18 × 357,568,369.80
  4. Step 4: Simplify right side
    489,937,040.52x = 241,594,274,005,030,816
  5. Step 5: Solve for x
    x = 241,594,274,005,030,816/489,937,040.52
  6. Step 6: Final answer
    x = 493,112,898.24

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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.