Home / 325,311,552,055.20-487,967,328,082.80-115,856,718,391.20

Finding the Fourth Proportional to 325,311,552,055.20, 487,967,328,082.80 and 115,856,718,391.20

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Solution

The fourth proportional to 325,311,552,055.20, 487,967,328,082.80 and 115,856,718,391.20 is: 173,785,077,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,311,552,055.20 : 487,967,328,082.80 = 115,856,718,391.20 : x
  2. Step 2: Convert to fraction form
    325,311,552,055.20/487,967,328,082.80 = 115,856,718,391.20/x
  3. Step 3: Cross multiply
    325,311,552,055.20x = 487,967,328,082.80 × 115,856,718,391.20
  4. Step 4: Simplify right side
    325,311,552,055.20x = 56,534,293,313,795,255,173,120
  5. Step 5: Solve for x
    x = 56,534,293,313,795,255,173,120/325,311,552,055.20
  6. Step 6: Final answer
    x = 173,785,077,586.80

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Double scale
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Similar ratio
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1.5x scale

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.