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Finding the Fourth Proportional to 839,933,717.40, 1,259,900,576.10 and 839,933,717.40

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Solution

The fourth proportional to 839,933,717.40, 1,259,900,576.10 and 839,933,717.40 is: 1,259,900,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,933,717.40 : 1,259,900,576.10 = 839,933,717.40 : x
  2. Step 2: Convert to fraction form
    839,933,717.40/1,259,900,576.10 = 839,933,717.40/x
  3. Step 3: Cross multiply
    839,933,717.40x = 1,259,900,576.10 × 839,933,717.40
  4. Step 4: Simplify right side
    839,933,717.40x = 1,058,232,974,438,074,496
  5. Step 5: Solve for x
    x = 1,058,232,974,438,074,496/839,933,717.40
  6. Step 6: Final answer
    x = 1,259,900,576.10

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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.