Home / 340,514,661,008.24-510,772,483,099.32-139,056,396,153.20

Finding the Fourth Proportional to 340,514,661,008.24, 510,772,483,099.32 and 139,056,396,153.20

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Solution

The fourth proportional to 340,514,661,008.24, 510,772,483,099.32 and 139,056,396,153.20 is: 208,584,794,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,514,661,008.24 : 510,772,483,099.32 = 139,056,396,153.20 : x
  2. Step 2: Convert to fraction form
    340,514,661,008.24/510,772,483,099.32 = 139,056,396,153.20/x
  3. Step 3: Cross multiply
    340,514,661,008.24x = 510,772,483,099.32 × 139,056,396,153.20
  4. Step 4: Simplify right side
    340,514,661,008.24x = 71,026,180,754,012,704,342,016
  5. Step 5: Solve for x
    x = 71,026,180,754,012,704,342,016/340,514,661,008.24
  6. Step 6: Final answer
    x = 208,584,794,979.78

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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.