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Finding the Fourth Proportional to 1,087,344,559.15, 1,631,016,838.73 and 1,087,344,559.15

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Solution

The fourth proportional to 1,087,344,559.15, 1,631,016,838.73 and 1,087,344,559.15 is: 1,631,016,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,344,559.15 : 1,631,016,838.73 = 1,087,344,559.15 : x
  2. Step 2: Convert to fraction form
    1,087,344,559.15/1,631,016,838.73 = 1,087,344,559.15/x
  3. Step 3: Cross multiply
    1,087,344,559.15x = 1,631,016,838.73 × 1,087,344,559.15
  4. Step 4: Simplify right side
    1,087,344,559.15x = 1,773,477,285,475,098,624
  5. Step 5: Solve for x
    x = 1,773,477,285,475,098,624/1,087,344,559.15
  6. Step 6: Final answer
    x = 1,631,016,838.73

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Double scale
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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.