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Finding the Fourth Proportional to 143,390,479,246.20, 215,085,718,869.30 and 143,390,479,246.20

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Solution

The fourth proportional to 143,390,479,246.20, 215,085,718,869.30 and 143,390,479,246.20 is: 215,085,718,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,390,479,246.20 : 215,085,718,869.30 = 143,390,479,246.20 : x
  2. Step 2: Convert to fraction form
    143,390,479,246.20/215,085,718,869.30 = 143,390,479,246.20/x
  3. Step 3: Cross multiply
    143,390,479,246.20x = 215,085,718,869.30 × 143,390,479,246.20
  4. Step 4: Simplify right side
    143,390,479,246.20x = 30,841,244,307,682,368,684,032
  5. Step 5: Solve for x
    x = 30,841,244,307,682,368,684,032/143,390,479,246.20
  6. Step 6: Final answer
    x = 215,085,718,869.30

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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.