Home / 711,375,203.54-981,676,696.58-393,849,601.10

Finding the Fourth Proportional to 711,375,203.54, 981,676,696.58 and 393,849,601.10

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Solution

The fourth proportional to 711,375,203.54, 981,676,696.58 and 393,849,601.10 is: 543,500,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,375,203.54 : 981,676,696.58 = 393,849,601.10 : x
  2. Step 2: Convert to fraction form
    711,375,203.54/981,676,696.58 = 393,849,601.10/x
  3. Step 3: Cross multiply
    711,375,203.54x = 981,676,696.58 × 393,849,601.10
  4. Step 4: Simplify right side
    711,375,203.54x = 386,632,975,357,198,784
  5. Step 5: Solve for x
    x = 386,632,975,357,198,784/711,375,203.54
  6. Step 6: Final answer
    x = 543,500,776.29

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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.