Home / 538,278,158.88-742,824,184.77-290,759,622.48

Finding the Fourth Proportional to 538,278,158.88, 742,824,184.77 and 290,759,622.48

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Solution

The fourth proportional to 538,278,158.88, 742,824,184.77 and 290,759,622.48 is: 401,248,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,278,158.88 : 742,824,184.77 = 290,759,622.48 : x
  2. Step 2: Convert to fraction form
    538,278,158.88/742,824,184.77 = 290,759,622.48/x
  3. Step 3: Cross multiply
    538,278,158.88x = 742,824,184.77 × 290,759,622.48
  4. Step 4: Simplify right side
    538,278,158.88x = 215,983,279,532,738,976
  5. Step 5: Solve for x
    x = 215,983,279,532,738,976/538,278,158.88
  6. Step 6: Final answer
    x = 401,248,454.85

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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.