Home / 340,514,660,981.68-510,772,483,059.28-139,056,396,126.36

Finding the Fourth Proportional to 340,514,660,981.68, 510,772,483,059.28 and 139,056,396,126.36

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Solution

The fourth proportional to 340,514,660,981.68, 510,772,483,059.28 and 139,056,396,126.36 is: 208,584,794,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,514,660,981.68 : 510,772,483,059.28 = 139,056,396,126.36 : x
  2. Step 2: Convert to fraction form
    340,514,660,981.68/510,772,483,059.28 = 139,056,396,126.36/x
  3. Step 3: Cross multiply
    340,514,660,981.68x = 510,772,483,059.28 × 139,056,396,126.36
  4. Step 4: Simplify right side
    340,514,660,981.68x = 71,026,180,734,735,741,878,272
  5. Step 5: Solve for x
    x = 71,026,180,734,735,741,878,272/340,514,660,981.68
  6. Step 6: Final answer
    x = 208,584,794,939.44

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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.