Home / 12,385,543,584.15-18,578,315,376.23-12,385,543,584.15

Finding the Fourth Proportional to 12,385,543,584.15, 18,578,315,376.23 and 12,385,543,584.15

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Solution

The fourth proportional to 12,385,543,584.15, 18,578,315,376.23 and 12,385,543,584.15 is: 18,578,315,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,543,584.15 : 18,578,315,376.23 = 12,385,543,584.15 : x
  2. Step 2: Convert to fraction form
    12,385,543,584.15/18,578,315,376.23 = 12,385,543,584.15/x
  3. Step 3: Cross multiply
    12,385,543,584.15x = 18,578,315,376.23 × 12,385,543,584.15
  4. Step 4: Simplify right side
    12,385,543,584.15x = 230,102,534,812,318,826,496
  5. Step 5: Solve for x
    x = 230,102,534,812,318,826,496/12,385,543,584.15
  6. Step 6: Final answer
    x = 18,578,315,376.23

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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.