Home / 340,514,660,977.87-510,772,483,053.54-139,056,396,122.54

Finding the Fourth Proportional to 340,514,660,977.87, 510,772,483,053.54 and 139,056,396,122.54

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Solution

The fourth proportional to 340,514,660,977.87, 510,772,483,053.54 and 139,056,396,122.54 is: 208,584,794,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,514,660,977.87 : 510,772,483,053.54 = 139,056,396,122.54 : x
  2. Step 2: Convert to fraction form
    340,514,660,977.87/510,772,483,053.54 = 139,056,396,122.54/x
  3. Step 3: Cross multiply
    340,514,660,977.87x = 510,772,483,053.54 × 139,056,396,122.54
  4. Step 4: Simplify right side
    340,514,660,977.87x = 71,026,180,731,986,409,160,704
  5. Step 5: Solve for x
    x = 71,026,180,731,986,409,160,704/340,514,660,977.87
  6. Step 6: Final answer
    x = 208,584,794,933.70

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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.