Home / 491,648,012.77-737,376,347.22-141,869,489.80

Finding the Fourth Proportional to 491,648,012.77, 737,376,347.22 and 141,869,489.80

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Solution

The fourth proportional to 491,648,012.77, 737,376,347.22 and 141,869,489.80 is: 212,776,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,648,012.77 : 737,376,347.22 = 141,869,489.80 : x
  2. Step 2: Convert to fraction form
    491,648,012.77/737,376,347.22 = 141,869,489.80/x
  3. Step 3: Cross multiply
    491,648,012.77x = 737,376,347.22 × 141,869,489.80
  4. Step 4: Simplify right side
    491,648,012.77x = 104,611,206,170,689,056
  5. Step 5: Solve for x
    x = 104,611,206,170,689,056/491,648,012.77
  6. Step 6: Final answer
    x = 212,776,627.70

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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.