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Finding the Fourth Proportional to 18,592,617,820.70, 27,888,926,731.06 and 18,592,617,820.70

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Solution

The fourth proportional to 18,592,617,820.70, 27,888,926,731.06 and 18,592,617,820.70 is: 27,888,926,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592,617,820.70 : 27,888,926,731.06 = 18,592,617,820.70 : x
  2. Step 2: Convert to fraction form
    18,592,617,820.70/27,888,926,731.06 = 18,592,617,820.70/x
  3. Step 3: Cross multiply
    18,592,617,820.70x = 27,888,926,731.06 × 18,592,617,820.70
  4. Step 4: Simplify right side
    18,592,617,820.70x = 518,528,156,140,102,811,648
  5. Step 5: Solve for x
    x = 518,528,156,140,102,811,648/18,592,617,820.70
  6. Step 6: Final answer
    x = 27,888,926,731.06

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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.