Home / 463,306,510.22-697,464,520.01-422,072,390.62

Finding the Fourth Proportional to 463,306,510.22, 697,464,520.01 and 422,072,390.62

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Solution

The fourth proportional to 463,306,510.22, 697,464,520.01 and 422,072,390.62 is: 635,390,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,306,510.22 : 697,464,520.01 = 422,072,390.62 : x
  2. Step 2: Convert to fraction form
    463,306,510.22/697,464,520.01 = 422,072,390.62/x
  3. Step 3: Cross multiply
    463,306,510.22x = 697,464,520.01 × 422,072,390.62
  4. Step 4: Simplify right side
    463,306,510.22x = 294,380,517,329,764,224
  5. Step 5: Solve for x
    x = 294,380,517,329,764,224/463,306,510.22
  6. Step 6: Final answer
    x = 635,390,418.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.