Home / 675,287,546.97-1,012,982,406.68-208,996,132.64

Finding the Fourth Proportional to 675,287,546.97, 1,012,982,406.68 and 208,996,132.64

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Solution

The fourth proportional to 675,287,546.97, 1,012,982,406.68 and 208,996,132.64 is: 313,510,009.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,287,546.97 : 1,012,982,406.68 = 208,996,132.64 : x
  2. Step 2: Convert to fraction form
    675,287,546.97/1,012,982,406.68 = 208,996,132.64/x
  3. Step 3: Cross multiply
    675,287,546.97x = 1,012,982,406.68 × 208,996,132.64
  4. Step 4: Simplify right side
    675,287,546.97x = 211,709,405,423,937,280
  5. Step 5: Solve for x
    x = 211,709,405,423,937,280/675,287,546.97
  6. Step 6: Final answer
    x = 313,510,009.73

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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.