Home / 340,514,660,976.24-510,772,483,051.32-139,056,396,121.20

Finding the Fourth Proportional to 340,514,660,976.24, 510,772,483,051.32 and 139,056,396,121.20

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Solution

The fourth proportional to 340,514,660,976.24, 510,772,483,051.32 and 139,056,396,121.20 is: 208,584,794,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,514,660,976.24 : 510,772,483,051.32 = 139,056,396,121.20 : x
  2. Step 2: Convert to fraction form
    340,514,660,976.24/510,772,483,051.32 = 139,056,396,121.20/x
  3. Step 3: Cross multiply
    340,514,660,976.24x = 510,772,483,051.32 × 139,056,396,121.20
  4. Step 4: Simplify right side
    340,514,660,976.24x = 71,026,180,730,993,273,470,976
  5. Step 5: Solve for x
    x = 71,026,180,730,993,273,470,976/340,514,660,976.24
  6. Step 6: Final answer
    x = 208,584,794,931.78

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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.