Home / 740,050,197.36-1,109,645,006.44-280,023,903.60

Finding the Fourth Proportional to 740,050,197.36, 1,109,645,006.44 and 280,023,903.60

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Solution

The fourth proportional to 740,050,197.36, 1,109,645,006.44 and 280,023,903.60 is: 419,873,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,050,197.36 : 1,109,645,006.44 = 280,023,903.60 : x
  2. Step 2: Convert to fraction form
    740,050,197.36/1,109,645,006.44 = 280,023,903.60/x
  3. Step 3: Cross multiply
    740,050,197.36x = 1,109,645,006.44 × 280,023,903.60
  4. Step 4: Simplify right side
    740,050,197.36x = 310,727,126,313,576,000
  5. Step 5: Solve for x
    x = 310,727,126,313,576,000/740,050,197.36
  6. Step 6: Final answer
    x = 419,873,040.26

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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.