Home / 340,726,742.20-511,090,113.30-259,097,404.60

Finding the Fourth Proportional to 340,726,742.20, 511,090,113.30 and 259,097,404.60

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Solution

The fourth proportional to 340,726,742.20, 511,090,113.30 and 259,097,404.60 is: 388,646,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,726,742.20 : 511,090,113.30 = 259,097,404.60 : x
  2. Step 2: Convert to fraction form
    340,726,742.20/511,090,113.30 = 259,097,404.60/x
  3. Step 3: Cross multiply
    340,726,742.20x = 511,090,113.30 × 259,097,404.60
  4. Step 4: Simplify right side
    340,726,742.20x = 132,422,121,872,749,936
  5. Step 5: Solve for x
    x = 132,422,121,872,749,936/340,726,742.20
  6. Step 6: Final answer
    x = 388,646,106.90

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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.