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Finding the Fourth Proportional to 391,145,740,216.20, 586,718,610,324.30 and 391,145,740,216.20

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Solution

The fourth proportional to 391,145,740,216.20, 586,718,610,324.30 and 391,145,740,216.20 is: 586,718,610,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,145,740,216.20 : 586,718,610,324.30 = 391,145,740,216.20 : x
  2. Step 2: Convert to fraction form
    391,145,740,216.20/586,718,610,324.30 = 391,145,740,216.20/x
  3. Step 3: Cross multiply
    391,145,740,216.20x = 586,718,610,324.30 × 391,145,740,216.20
  4. Step 4: Simplify right side
    391,145,740,216.20x = 229,492,485,133,918,567,137,280
  5. Step 5: Solve for x
    x = 229,492,485,133,918,567,137,280/391,145,740,216.20
  6. Step 6: Final answer
    x = 586,718,610,324.30

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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.