Home / 7,080,606,294.92-9,771,267,896.15-3,908,816,274.84

Finding the Fourth Proportional to 7,080,606,294.92, 9,771,267,896.15 and 3,908,816,274.84

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Solution

The fourth proportional to 7,080,606,294.92, 9,771,267,896.15 and 3,908,816,274.84 is: 5,394,183,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080,606,294.92 : 9,771,267,896.15 = 3,908,816,274.84 : x
  2. Step 2: Convert to fraction form
    7,080,606,294.92/9,771,267,896.15 = 3,908,816,274.84/x
  3. Step 3: Cross multiply
    7,080,606,294.92x = 9,771,267,896.15 × 3,908,816,274.84
  4. Step 4: Simplify right side
    7,080,606,294.92x = 38,194,090,978,239,963,136
  5. Step 5: Solve for x
    x = 38,194,090,978,239,963,136/7,080,606,294.92
  6. Step 6: Final answer
    x = 5,394,183,688.15

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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.