Home / 1,376,611,629.46-2,063,447,087.11-785,128,425.28

Finding the Fourth Proportional to 1,376,611,629.46, 2,063,447,087.11 and 785,128,425.28

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Solution

The fourth proportional to 1,376,611,629.46, 2,063,447,087.11 and 785,128,425.28 is: 1,176,854,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,611,629.46 : 2,063,447,087.11 = 785,128,425.28 : x
  2. Step 2: Convert to fraction form
    1,376,611,629.46/2,063,447,087.11 = 785,128,425.28/x
  3. Step 3: Cross multiply
    1,376,611,629.46x = 2,063,447,087.11 × 785,128,425.28
  4. Step 4: Simplify right side
    1,376,611,629.46x = 1,620,070,962,160,248,320
  5. Step 5: Solve for x
    x = 1,620,070,962,160,248,320/1,376,611,629.46
  6. Step 6: Final answer
    x = 1,176,854,043.28

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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.