Home / 851,394,476.40-1,174,702,028.24-498,780,912.16

Finding the Fourth Proportional to 851,394,476.40, 1,174,702,028.24 and 498,780,912.16

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Solution

The fourth proportional to 851,394,476.40, 1,174,702,028.24 and 498,780,912.16 is: 688,187,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,394,476.40 : 1,174,702,028.24 = 498,780,912.16 : x
  2. Step 2: Convert to fraction form
    851,394,476.40/1,174,702,028.24 = 498,780,912.16/x
  3. Step 3: Cross multiply
    851,394,476.40x = 1,174,702,028.24 × 498,780,912.16
  4. Step 4: Simplify right side
    851,394,476.40x = 585,918,949,161,749,376
  5. Step 5: Solve for x
    x = 585,918,949,161,749,376/851,394,476.40
  6. Step 6: Final answer
    x = 688,187,397.74

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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.