Home / 3,766,904,139.63-5,197,989,835.75-2,181,103,128.21

Finding the Fourth Proportional to 3,766,904,139.63, 5,197,989,835.75 and 2,181,103,128.21

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Solution

The fourth proportional to 3,766,904,139.63, 5,197,989,835.75 and 2,181,103,128.21 is: 3,009,726,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766,904,139.63 : 5,197,989,835.75 = 2,181,103,128.21 : x
  2. Step 2: Convert to fraction form
    3,766,904,139.63/5,197,989,835.75 = 2,181,103,128.21/x
  3. Step 3: Cross multiply
    3,766,904,139.63x = 5,197,989,835.75 × 2,181,103,128.21
  4. Step 4: Simplify right side
    3,766,904,139.63x = 11,337,351,891,158,110,208
  5. Step 5: Solve for x
    x = 11,337,351,891,158,110,208/3,766,904,139.63
  6. Step 6: Final answer
    x = 3,009,726,680.30

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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.