Home / 489,937,053-675,658,980.48-357,568,382.28

Finding the Fourth Proportional to 489,937,053, 675,658,980.48 and 357,568,382.28

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Solution

The fourth proportional to 489,937,053, 675,658,980.48 and 357,568,382.28 is: 493,112,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,937,053 : 675,658,980.48 = 357,568,382.28 : x
  2. Step 2: Convert to fraction form
    489,937,053/675,658,980.48 = 357,568,382.28/x
  3. Step 3: Cross multiply
    489,937,053x = 675,658,980.48 × 357,568,382.28
  4. Step 4: Simplify right side
    489,937,053x = 241,594,288,623,187,680
  5. Step 5: Solve for x
    x = 241,594,288,623,187,680/489,937,053
  6. Step 6: Final answer
    x = 493,112,915.51

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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.