Home / 3,915,482,851-5,403,496,852.31-2,199,134,471.63

Finding the Fourth Proportional to 3,915,482,851, 5,403,496,852.31 and 2,199,134,471.63

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Solution

The fourth proportional to 3,915,482,851, 5,403,496,852.31 and 2,199,134,471.63 is: 3,034,878,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,482,851 : 5,403,496,852.31 = 2,199,134,471.63 : x
  2. Step 2: Convert to fraction form
    3,915,482,851/5,403,496,852.31 = 2,199,134,471.63/x
  3. Step 3: Cross multiply
    3,915,482,851x = 5,403,496,852.31 × 2,199,134,471.63
  4. Step 4: Simplify right side
    3,915,482,851x = 11,883,016,195,259,121,664
  5. Step 5: Solve for x
    x = 11,883,016,195,259,121,664/3,915,482,851
  6. Step 6: Final answer
    x = 3,034,878,876.36

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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.