Home / 348,090,600.55-480,489,977.85-206,961,484.28

Finding the Fourth Proportional to 348,090,600.55, 480,489,977.85 and 206,961,484.28

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Solution

The fourth proportional to 348,090,600.55, 480,489,977.85 and 206,961,484.28 is: 285,681,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,090,600.55 : 480,489,977.85 = 206,961,484.28 : x
  2. Step 2: Convert to fraction form
    348,090,600.55/480,489,977.85 = 206,961,484.28/x
  3. Step 3: Cross multiply
    348,090,600.55x = 480,489,977.85 × 206,961,484.28
  4. Step 4: Simplify right side
    348,090,600.55x = 99,442,918,995,097,888
  5. Step 5: Solve for x
    x = 99,442,918,995,097,888/348,090,600.55
  6. Step 6: Final answer
    x = 285,681,138.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.