Home / 630,080,163.40-945,120,245.10-543,915,862.60

Finding the Fourth Proportional to 630,080,163.40, 945,120,245.10 and 543,915,862.60

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Solution

The fourth proportional to 630,080,163.40, 945,120,245.10 and 543,915,862.60 is: 815,873,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,080,163.40 : 945,120,245.10 = 543,915,862.60 : x
  2. Step 2: Convert to fraction form
    630,080,163.40/945,120,245.10 = 543,915,862.60/x
  3. Step 3: Cross multiply
    630,080,163.40x = 945,120,245.10 × 543,915,862.60
  4. Step 4: Simplify right side
    630,080,163.40x = 514,065,893,374,289,984
  5. Step 5: Solve for x
    x = 514,065,893,374,289,984/630,080,163.40
  6. Step 6: Final answer
    x = 815,873,793.90

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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.