Home / 891,261,611.32-1,337,046,511.79-301,056,149.06

Finding the Fourth Proportional to 891,261,611.32, 1,337,046,511.79 and 301,056,149.06

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Solution

The fourth proportional to 891,261,611.32, 1,337,046,511.79 and 301,056,149.06 is: 451,636,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,261,611.32 : 1,337,046,511.79 = 301,056,149.06 : x
  2. Step 2: Convert to fraction form
    891,261,611.32/1,337,046,511.79 = 301,056,149.06/x
  3. Step 3: Cross multiply
    891,261,611.32x = 1,337,046,511.79 × 301,056,149.06
  4. Step 4: Simplify right side
    891,261,611.32x = 402,526,073,960,198,784
  5. Step 5: Solve for x
    x = 402,526,073,960,198,784/891,261,611.32
  6. Step 6: Final answer
    x = 451,636,274.75

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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.