Home / 299,807,586,646.96-449,694,826,690.56-219,215,877,126.16

Finding the Fourth Proportional to 299,807,586,646.96, 449,694,826,690.56 and 219,215,877,126.16

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Solution

The fourth proportional to 299,807,586,646.96, 449,694,826,690.56 and 219,215,877,126.16 is: 328,811,712,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,807,586,646.96 : 449,694,826,690.56 = 219,215,877,126.16 : x
  2. Step 2: Convert to fraction form
    299,807,586,646.96/449,694,826,690.56 = 219,215,877,126.16/x
  3. Step 3: Cross multiply
    299,807,586,646.96x = 449,694,826,690.56 × 219,215,877,126.16
  4. Step 4: Simplify right side
    299,807,586,646.96x = 98,580,245,872,067,611,721,728
  5. Step 5: Solve for x
    x = 98,580,245,872,067,611,721,728/299,807,586,646.96
  6. Step 6: Final answer
    x = 328,811,712,120.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.