Home / 490,635,787.56-677,077,389-267,617,457.66

Finding the Fourth Proportional to 490,635,787.56, 677,077,389 and 267,617,457.66

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Solution

The fourth proportional to 490,635,787.56, 677,077,389 and 267,617,457.66 is: 369,312,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,635,787.56 : 677,077,389 = 267,617,457.66 : x
  2. Step 2: Convert to fraction form
    490,635,787.56/677,077,389 = 267,617,457.66/x
  3. Step 3: Cross multiply
    490,635,787.56x = 677,077,389 × 267,617,457.66
  4. Step 4: Simplify right side
    490,635,787.56x = 181,197,729,483,250,848
  5. Step 5: Solve for x
    x = 181,197,729,483,250,848/490,635,787.56
  6. Step 6: Final answer
    x = 369,312,092.75

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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.