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Finding the Fourth Proportional to 1,062,886,405.10, 1,594,329,607.65 and 978,706,150.70

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Solution

The fourth proportional to 1,062,886,405.10, 1,594,329,607.65 and 978,706,150.70 is: 1,468,059,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,886,405.10 : 1,594,329,607.65 = 978,706,150.70 : x
  2. Step 2: Convert to fraction form
    1,062,886,405.10/1,594,329,607.65 = 978,706,150.70/x
  3. Step 3: Cross multiply
    1,062,886,405.10x = 1,594,329,607.65 × 978,706,150.70
  4. Step 4: Simplify right side
    1,062,886,405.10x = 1,560,380,193,250,172,928
  5. Step 5: Solve for x
    x = 1,560,380,193,250,172,928/1,062,886,405.10
  6. Step 6: Final answer
    x = 1,468,059,226.05

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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.