Home / 817,996,759.08-1,227,116,226.02-300,386,843.43

Finding the Fourth Proportional to 817,996,759.08, 1,227,116,226.02 and 300,386,843.43

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Solution

The fourth proportional to 817,996,759.08, 1,227,116,226.02 and 300,386,843.43 is: 450,624,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,996,759.08 : 1,227,116,226.02 = 300,386,843.43 : x
  2. Step 2: Convert to fraction form
    817,996,759.08/1,227,116,226.02 = 300,386,843.43/x
  3. Step 3: Cross multiply
    817,996,759.08x = 1,227,116,226.02 × 300,386,843.43
  4. Step 4: Simplify right side
    817,996,759.08x = 368,609,569,654,380,352
  5. Step 5: Solve for x
    x = 368,609,569,654,380,352/817,996,759.08
  6. Step 6: Final answer
    x = 450,624,731.17

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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.