Home / 265,733,998.20-398,600,997.30-259,762,030.20

Finding the Fourth Proportional to 265,733,998.20, 398,600,997.30 and 259,762,030.20

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Solution

The fourth proportional to 265,733,998.20, 398,600,997.30 and 259,762,030.20 is: 389,643,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,733,998.20 : 398,600,997.30 = 259,762,030.20 : x
  2. Step 2: Convert to fraction form
    265,733,998.20/398,600,997.30 = 259,762,030.20/x
  3. Step 3: Cross multiply
    265,733,998.20x = 398,600,997.30 × 259,762,030.20
  4. Step 4: Simplify right side
    265,733,998.20x = 103,541,404,298,392,720
  5. Step 5: Solve for x
    x = 103,541,404,298,392,720/265,733,998.20
  6. Step 6: Final answer
    x = 389,643,045.30

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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.