Home / 7,080,519,816.84-9,770,861,210.58-3,908,635,606.92

Finding the Fourth Proportional to 7,080,519,816.84, 9,770,861,210.58 and 3,908,635,606.92

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Solution

The fourth proportional to 7,080,519,816.84, 9,770,861,210.58 and 3,908,635,606.92 is: 5,393,775,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080,519,816.84 : 9,770,861,210.58 = 3,908,635,606.92 : x
  2. Step 2: Convert to fraction form
    7,080,519,816.84/9,770,861,210.58 = 3,908,635,606.92/x
  3. Step 3: Cross multiply
    7,080,519,816.84x = 9,770,861,210.58 × 3,908,635,606.92
  4. Step 4: Simplify right side
    7,080,519,816.84x = 38,190,736,037,946,441,728
  5. Step 5: Solve for x
    x = 38,190,736,037,946,441,728/7,080,519,816.84
  6. Step 6: Final answer
    x = 5,393,775,743.29

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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.