Home / 7,177,415,471.82-9,904,420,101.51-4,005,350,431.02

Finding the Fourth Proportional to 7,177,415,471.82, 9,904,420,101.51 and 4,005,350,431.02

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Solution

The fourth proportional to 7,177,415,471.82, 9,904,420,101.51 and 4,005,350,431.02 is: 5,527,152,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177,415,471.82 : 9,904,420,101.51 = 4,005,350,431.02 : x
  2. Step 2: Convert to fraction form
    7,177,415,471.82/9,904,420,101.51 = 4,005,350,431.02/x
  3. Step 3: Cross multiply
    7,177,415,471.82x = 9,904,420,101.51 × 4,005,350,431.02
  4. Step 4: Simplify right side
    7,177,415,471.82x = 39,670,673,322,586,234,880
  5. Step 5: Solve for x
    x = 39,670,673,322,586,234,880/7,177,415,471.82
  6. Step 6: Final answer
    x = 5,527,152,981.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.