Home / 340,841,124.47-510,521,821.27-209,284,067.48

Finding the Fourth Proportional to 340,841,124.47, 510,521,821.27 and 209,284,067.48

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Solution

The fourth proportional to 340,841,124.47, 510,521,821.27 and 209,284,067.48 is: 313,471,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,841,124.47 : 510,521,821.27 = 209,284,067.48 : x
  2. Step 2: Convert to fraction form
    340,841,124.47/510,521,821.27 = 209,284,067.48/x
  3. Step 3: Cross multiply
    340,841,124.47x = 510,521,821.27 × 209,284,067.48
  4. Step 4: Simplify right side
    340,841,124.47x = 106,844,083,289,607,360
  5. Step 5: Solve for x
    x = 106,844,083,289,607,360/340,841,124.47
  6. Step 6: Final answer
    x = 313,471,807.30

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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.