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Finding the Fourth Proportional to 143,390,479,214.70, 215,085,718,822.05 and 143,390,479,214.70

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Solution

The fourth proportional to 143,390,479,214.70, 215,085,718,822.05 and 143,390,479,214.70 is: 215,085,718,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,390,479,214.70 : 215,085,718,822.05 = 143,390,479,214.70 : x
  2. Step 2: Convert to fraction form
    143,390,479,214.70/215,085,718,822.05 = 143,390,479,214.70/x
  3. Step 3: Cross multiply
    143,390,479,214.70x = 215,085,718,822.05 × 143,390,479,214.70
  4. Step 4: Simplify right side
    143,390,479,214.70x = 30,841,244,294,131,969,163,264
  5. Step 5: Solve for x
    x = 30,841,244,294,131,969,163,264/143,390,479,214.70
  6. Step 6: Final answer
    x = 215,085,718,822.05

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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.