Home / 817,758,667.85-1,128,491,634.17-500,195,586.03

Finding the Fourth Proportional to 817,758,667.85, 1,128,491,634.17 and 500,195,586.03

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Solution

The fourth proportional to 817,758,667.85, 1,128,491,634.17 and 500,195,586.03 is: 690,260,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,758,667.85 : 1,128,491,634.17 = 500,195,586.03 : x
  2. Step 2: Convert to fraction form
    817,758,667.85/1,128,491,634.17 = 500,195,586.03/x
  3. Step 3: Cross multiply
    817,758,667.85x = 1,128,491,634.17 × 500,195,586.03
  4. Step 4: Simplify right side
    817,758,667.85x = 564,466,534,281,114,496
  5. Step 5: Solve for x
    x = 564,466,534,281,114,496/817,758,667.85
  6. Step 6: Final answer
    x = 690,260,533.43

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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.