Home / 482,847,856.31-666,346,136.45-271,191,985.42

Finding the Fourth Proportional to 482,847,856.31, 666,346,136.45 and 271,191,985.42

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Solution

The fourth proportional to 482,847,856.31, 666,346,136.45 and 271,191,985.42 is: 374,253,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,847,856.31 : 666,346,136.45 = 271,191,985.42 : x
  2. Step 2: Convert to fraction form
    482,847,856.31/666,346,136.45 = 271,191,985.42/x
  3. Step 3: Cross multiply
    482,847,856.31x = 666,346,136.45 × 271,191,985.42
  4. Step 4: Simplify right side
    482,847,856.31x = 180,707,731,720,821,760
  5. Step 5: Solve for x
    x = 180,707,731,720,821,760/482,847,856.31
  6. Step 6: Final answer
    x = 374,253,979.51

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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.