Home / 48,690,362,306.38-72,984,568,856.74-20,376,516,089.63

Finding the Fourth Proportional to 48,690,362,306.38, 72,984,568,856.74 and 20,376,516,089.63

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Solution

The fourth proportional to 48,690,362,306.38, 72,984,568,856.74 and 20,376,516,089.63 is: 30,543,441,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,690,362,306.38 : 72,984,568,856.74 = 20,376,516,089.63 : x
  2. Step 2: Convert to fraction form
    48,690,362,306.38/72,984,568,856.74 = 20,376,516,089.63/x
  3. Step 3: Cross multiply
    48,690,362,306.38x = 72,984,568,856.74 × 20,376,516,089.63
  4. Step 4: Simplify right side
    48,690,362,306.38x = 1,487,171,241,604,135,518,208
  5. Step 5: Solve for x
    x = 1,487,171,241,604,135,518,208/48,690,362,306.38
  6. Step 6: Final answer
    x = 30,543,441,682.49

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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.