Home / 464,268,988.95-640,691,183.19-255,420,647.56

Finding the Fourth Proportional to 464,268,988.95, 640,691,183.19 and 255,420,647.56

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Solution

The fourth proportional to 464,268,988.95, 640,691,183.19 and 255,420,647.56 is: 352,480,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,268,988.95 : 640,691,183.19 = 255,420,647.56 : x
  2. Step 2: Convert to fraction form
    464,268,988.95/640,691,183.19 = 255,420,647.56/x
  3. Step 3: Cross multiply
    464,268,988.95x = 640,691,183.19 × 255,420,647.56
  4. Step 4: Simplify right side
    464,268,988.95x = 163,645,756,896,372,416
  5. Step 5: Solve for x
    x = 163,645,756,896,372,416/464,268,988.95
  6. Step 6: Final answer
    x = 352,480,481.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.