Home / 3,939,921,897.08-5,437,051,650.06-2,179,801,902.20

Finding the Fourth Proportional to 3,939,921,897.08, 5,437,051,650.06 and 2,179,801,902.20

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Solution

The fourth proportional to 3,939,921,897.08, 5,437,051,650.06 and 2,179,801,902.20 is: 3,008,104,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,921,897.08 : 5,437,051,650.06 = 2,179,801,902.20 : x
  2. Step 2: Convert to fraction form
    3,939,921,897.08/5,437,051,650.06 = 2,179,801,902.20/x
  3. Step 3: Cross multiply
    3,939,921,897.08x = 5,437,051,650.06 × 2,179,801,902.20
  4. Step 4: Simplify right side
    3,939,921,897.08x = 11,851,695,529,160,435,712
  5. Step 5: Solve for x
    x = 11,851,695,529,160,435,712/3,939,921,897.08
  6. Step 6: Final answer
    x = 3,008,104,180.43

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1.5x scale

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.