Home / 317,696,694.72-476,546,286.24-209,967,368.64

Finding the Fourth Proportional to 317,696,694.72, 476,546,286.24 and 209,967,368.64

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Solution

The fourth proportional to 317,696,694.72, 476,546,286.24 and 209,967,368.64 is: 314,951,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,696,694.72 : 476,546,286.24 = 209,967,368.64 : x
  2. Step 2: Convert to fraction form
    317,696,694.72/476,546,286.24 = 209,967,368.64/x
  3. Step 3: Cross multiply
    317,696,694.72x = 476,546,286.24 × 209,967,368.64
  4. Step 4: Simplify right side
    317,696,694.72x = 100,059,169,756,977,040
  5. Step 5: Solve for x
    x = 100,059,169,756,977,040/317,696,694.72
  6. Step 6: Final answer
    x = 314,951,875.23

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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.