Home / 718,529,551.20-1,077,794,326.80-392,012,200.80

Finding the Fourth Proportional to 718,529,551.20, 1,077,794,326.80 and 392,012,200.80

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Solution

The fourth proportional to 718,529,551.20, 1,077,794,326.80 and 392,012,200.80 is: 588,018,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,529,551.20 : 1,077,794,326.80 = 392,012,200.80 : x
  2. Step 2: Convert to fraction form
    718,529,551.20/1,077,794,326.80 = 392,012,200.80/x
  3. Step 3: Cross multiply
    718,529,551.20x = 1,077,794,326.80 × 392,012,200.80
  4. Step 4: Simplify right side
    718,529,551.20x = 422,508,526,058,622,400
  5. Step 5: Solve for x
    x = 422,508,526,058,622,400/718,529,551.20
  6. Step 6: Final answer
    x = 588,018,301.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.