Home / 817,996,759.83-1,227,116,227.14-300,386,844.18

Finding the Fourth Proportional to 817,996,759.83, 1,227,116,227.14 and 300,386,844.18

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Solution

The fourth proportional to 817,996,759.83, 1,227,116,227.14 and 300,386,844.18 is: 450,624,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,996,759.83 : 1,227,116,227.14 = 300,386,844.18 : x
  2. Step 2: Convert to fraction form
    817,996,759.83/1,227,116,227.14 = 300,386,844.18/x
  3. Step 3: Cross multiply
    817,996,759.83x = 1,227,116,227.14 × 300,386,844.18
  4. Step 4: Simplify right side
    817,996,759.83x = 368,609,570,912,652,736
  5. Step 5: Solve for x
    x = 368,609,570,912,652,736/817,996,759.83
  6. Step 6: Final answer
    x = 450,624,732.29

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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.