Home / 381,040,700.47-526,020,923.07-255,546,990.83

Finding the Fourth Proportional to 381,040,700.47, 526,020,923.07 and 255,546,990.83

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Solution

The fourth proportional to 381,040,700.47, 526,020,923.07 and 255,546,990.83 is: 352,778,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,040,700.47 : 526,020,923.07 = 255,546,990.83 : x
  2. Step 2: Convert to fraction form
    381,040,700.47/526,020,923.07 = 255,546,990.83/x
  3. Step 3: Cross multiply
    381,040,700.47x = 526,020,923.07 × 255,546,990.83
  4. Step 4: Simplify right side
    381,040,700.47x = 134,423,064,005,472,480
  5. Step 5: Solve for x
    x = 134,423,064,005,472,480/381,040,700.47
  6. Step 6: Final answer
    x = 352,778,755.24

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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.