Home / 274,752,620.10-412,128,930.15-257,746,508.10

Finding the Fourth Proportional to 274,752,620.10, 412,128,930.15 and 257,746,508.10

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Solution

The fourth proportional to 274,752,620.10, 412,128,930.15 and 257,746,508.10 is: 386,619,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,752,620.10 : 412,128,930.15 = 257,746,508.10 : x
  2. Step 2: Convert to fraction form
    274,752,620.10/412,128,930.15 = 257,746,508.10/x
  3. Step 3: Cross multiply
    274,752,620.10x = 412,128,930.15 × 257,746,508.10
  4. Step 4: Simplify right side
    274,752,620.10x = 106,224,792,633,151,296
  5. Step 5: Solve for x
    x = 106,224,792,633,151,296/274,752,620.10
  6. Step 6: Final answer
    x = 386,619,762.15

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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.