Home / 522,137,997.64-783,296,224.63-215,262,356.68

Finding the Fourth Proportional to 522,137,997.64, 783,296,224.63 and 215,262,356.68

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Solution

The fourth proportional to 522,137,997.64, 783,296,224.63 and 215,262,356.68 is: 322,930,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,137,997.64 : 783,296,224.63 = 215,262,356.68 : x
  2. Step 2: Convert to fraction form
    522,137,997.64/783,296,224.63 = 215,262,356.68/x
  3. Step 3: Cross multiply
    522,137,997.64x = 783,296,224.63 × 215,262,356.68
  4. Step 4: Simplify right side
    522,137,997.64x = 168,614,191,292,400,480
  5. Step 5: Solve for x
    x = 168,614,191,292,400,480/522,137,997.64
  6. Step 6: Final answer
    x = 322,930,321.21

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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.