Home / 660,049,732,440.45-990,074,598,660.67-188,946,417,816.45

Finding the Fourth Proportional to 660,049,732,440.45, 990,074,598,660.67 and 188,946,417,816.45

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Solution

The fourth proportional to 660,049,732,440.45, 990,074,598,660.67 and 188,946,417,816.45 is: 283,419,626,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,049,732,440.45 : 990,074,598,660.67 = 188,946,417,816.45 : x
  2. Step 2: Convert to fraction form
    660,049,732,440.45/990,074,598,660.67 = 188,946,417,816.45/x
  3. Step 3: Cross multiply
    660,049,732,440.45x = 990,074,598,660.67 × 188,946,417,816.45
  4. Step 4: Simplify right side
    660,049,732,440.45x = 187,071,048,787,993,005,391,872
  5. Step 5: Solve for x
    x = 187,071,048,787,993,005,391,872/660,049,732,440.45
  6. Step 6: Final answer
    x = 283,419,626,724.67

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Double scale
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Similar ratio
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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.