Home / 510,174,261.72-703,798,002.36-301,190,402.88

Finding the Fourth Proportional to 510,174,261.72, 703,798,002.36 and 301,190,402.88

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Solution

The fourth proportional to 510,174,261.72, 703,798,002.36 and 301,190,402.88 is: 415,499,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,174,261.72 : 703,798,002.36 = 301,190,402.88 : x
  2. Step 2: Convert to fraction form
    510,174,261.72/703,798,002.36 = 301,190,402.88/x
  3. Step 3: Cross multiply
    510,174,261.72x = 703,798,002.36 × 301,190,402.88
  4. Step 4: Simplify right side
    510,174,261.72x = 211,977,203,876,947,584
  5. Step 5: Solve for x
    x = 211,977,203,876,947,584/510,174,261.72
  6. Step 6: Final answer
    x = 415,499,604.32

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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.