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Finding the Fourth Proportional to 2,279,018,291.20, 3,197,881,548.80 and 2,279,018,291.20

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Solution

The fourth proportional to 2,279,018,291.20, 3,197,881,548.80 and 2,279,018,291.20 is: 3,197,881,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,018,291.20 : 3,197,881,548.80 = 2,279,018,291.20 : x
  2. Step 2: Convert to fraction form
    2,279,018,291.20/3,197,881,548.80 = 2,279,018,291.20/x
  3. Step 3: Cross multiply
    2,279,018,291.20x = 3,197,881,548.80 × 2,279,018,291.20
  4. Step 4: Simplify right side
    2,279,018,291.20x = 7,288,030,542,806,184,960
  5. Step 5: Solve for x
    x = 7,288,030,542,806,184,960/2,279,018,291.20
  6. Step 6: Final answer
    x = 3,197,881,548.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.