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Finding the Fourth Proportional to 817,665,655.55, 1,226,498,483.33 and 817,665,655.55

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Solution

The fourth proportional to 817,665,655.55, 1,226,498,483.33 and 817,665,655.55 is: 1,226,498,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,665,655.55 : 1,226,498,483.33 = 817,665,655.55 : x
  2. Step 2: Convert to fraction form
    817,665,655.55/1,226,498,483.33 = 817,665,655.55/x
  3. Step 3: Cross multiply
    817,665,655.55x = 1,226,498,483.33 × 817,665,655.55
  4. Step 4: Simplify right side
    817,665,655.55x = 1,002,865,686,399,016,832
  5. Step 5: Solve for x
    x = 1,002,865,686,399,016,832/817,665,655.55
  6. Step 6: Final answer
    x = 1,226,498,483.33

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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.