Home / 350,295,187.20-524,546,985.60-258,924,076.80

Finding the Fourth Proportional to 350,295,187.20, 524,546,985.60 and 258,924,076.80

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Solution

The fourth proportional to 350,295,187.20, 524,546,985.60 and 258,924,076.80 is: 387,723,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,295,187.20 : 524,546,985.60 = 258,924,076.80 : x
  2. Step 2: Convert to fraction form
    350,295,187.20/524,546,985.60 = 258,924,076.80/x
  3. Step 3: Cross multiply
    350,295,187.20x = 524,546,985.60 × 258,924,076.80
  4. Step 4: Simplify right side
    350,295,187.20x = 135,817,843,984,702,912
  5. Step 5: Solve for x
    x = 135,817,843,984,702,912/350,295,187.20
  6. Step 6: Final answer
    x = 387,723,979.51

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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.