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Finding the Fourth Proportional to 54,409,075,765.20, 81,613,613,647.80 and 54,409,075,765.20

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Solution

The fourth proportional to 54,409,075,765.20, 81,613,613,647.80 and 54,409,075,765.20 is: 81,613,613,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,409,075,765.20 : 81,613,613,647.80 = 54,409,075,765.20 : x
  2. Step 2: Convert to fraction form
    54,409,075,765.20/81,613,613,647.80 = 54,409,075,765.20/x
  3. Step 3: Cross multiply
    54,409,075,765.20x = 81,613,613,647.80 × 54,409,075,765.20
  4. Step 4: Simplify right side
    54,409,075,765.20x = 4,440,521,288,434,910,756,864
  5. Step 5: Solve for x
    x = 4,440,521,288,434,910,756,864/54,409,075,765.20
  6. Step 6: Final answer
    x = 81,613,613,647.80

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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.