Home / 490,999,594.69-677,569,837.78-267,982,875.41

Finding the Fourth Proportional to 490,999,594.69, 677,569,837.78 and 267,982,875.41

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Solution

The fourth proportional to 490,999,594.69, 677,569,837.78 and 267,982,875.41 is: 369,811,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,999,594.69 : 677,569,837.78 = 267,982,875.41 : x
  2. Step 2: Convert to fraction form
    490,999,594.69/677,569,837.78 = 267,982,875.41/x
  3. Step 3: Cross multiply
    490,999,594.69x = 677,569,837.78 × 267,982,875.41
  4. Step 4: Simplify right side
    490,999,594.69x = 181,577,113,418,623,360
  5. Step 5: Solve for x
    x = 181,577,113,418,623,360/490,999,594.69
  6. Step 6: Final answer
    x = 369,811,126.90

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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.