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Finding the Fourth Proportional to 325,059,642,004.80, 487,589,463,007.20 and 325,059,642,004.80

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Solution

The fourth proportional to 325,059,642,004.80, 487,589,463,007.20 and 325,059,642,004.80 is: 487,589,463,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,059,642,004.80 : 487,589,463,007.20 = 325,059,642,004.80 : x
  2. Step 2: Convert to fraction form
    325,059,642,004.80/487,589,463,007.20 = 325,059,642,004.80/x
  3. Step 3: Cross multiply
    325,059,642,004.80x = 487,589,463,007.20 × 325,059,642,004.80
  4. Step 4: Simplify right side
    325,059,642,004.80x = 158,495,656,290,433,108,017,152
  5. Step 5: Solve for x
    x = 158,495,656,290,433,108,017,152/325,059,642,004.80
  6. Step 6: Final answer
    x = 487,589,463,007.20

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Double scale
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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.