Home / 381,040,698.77-526,020,920.74-255,546,989.15

Finding the Fourth Proportional to 381,040,698.77, 526,020,920.74 and 255,546,989.15

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Solution

The fourth proportional to 381,040,698.77, 526,020,920.74 and 255,546,989.15 is: 352,778,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,040,698.77 : 526,020,920.74 = 255,546,989.15 : x
  2. Step 2: Convert to fraction form
    381,040,698.77/526,020,920.74 = 255,546,989.15/x
  3. Step 3: Cross multiply
    381,040,698.77x = 526,020,920.74 × 255,546,989.15
  4. Step 4: Simplify right side
    381,040,698.77x = 134,423,062,522,707,120
  5. Step 5: Solve for x
    x = 134,423,062,522,707,120/381,040,698.77
  6. Step 6: Final answer
    x = 352,778,752.92

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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.