Home / 1,376,611,633.88-2,063,447,093.72-785,128,429.70

Finding the Fourth Proportional to 1,376,611,633.88, 2,063,447,093.72 and 785,128,429.70

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Solution

The fourth proportional to 1,376,611,633.88, 2,063,447,093.72 and 785,128,429.70 is: 1,176,854,049.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,611,633.88 : 2,063,447,093.72 = 785,128,429.70 : x
  2. Step 2: Convert to fraction form
    1,376,611,633.88/2,063,447,093.72 = 785,128,429.70/x
  3. Step 3: Cross multiply
    1,376,611,633.88x = 2,063,447,093.72 × 785,128,429.70
  4. Step 4: Simplify right side
    1,376,611,633.88x = 1,620,070,976,447,169,536
  5. Step 5: Solve for x
    x = 1,620,070,976,447,169,536/1,376,611,633.88
  6. Step 6: Final answer
    x = 1,176,854,049.89

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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.