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Finding the Fourth Proportional to 327,075,538,086.30, 490,613,307,129.45 and 327,075,538,086.30

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Solution

The fourth proportional to 327,075,538,086.30, 490,613,307,129.45 and 327,075,538,086.30 is: 490,613,307,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,075,538,086.30 : 490,613,307,129.45 = 327,075,538,086.30 : x
  2. Step 2: Convert to fraction form
    327,075,538,086.30/490,613,307,129.45 = 327,075,538,086.30/x
  3. Step 3: Cross multiply
    327,075,538,086.30x = 490,613,307,129.45 × 327,075,538,086.30
  4. Step 4: Simplify right side
    327,075,538,086.30x = 160,467,611,421,664,031,539,200
  5. Step 5: Solve for x
    x = 160,467,611,421,664,031,539,200/327,075,538,086.30
  6. Step 6: Final answer
    x = 490,613,307,129.45

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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.