Home / 1,996,974,449.98-2,995,870,220.25-686,706,336.43

Finding the Fourth Proportional to 1,996,974,449.98, 2,995,870,220.25 and 686,706,336.43

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Solution

The fourth proportional to 1,996,974,449.98, 2,995,870,220.25 and 686,706,336.43 is: 1,030,199,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,974,449.98 : 2,995,870,220.25 = 686,706,336.43 : x
  2. Step 2: Convert to fraction form
    1,996,974,449.98/2,995,870,220.25 = 686,706,336.43/x
  3. Step 3: Cross multiply
    1,996,974,449.98x = 2,995,870,220.25 × 686,706,336.43
  4. Step 4: Simplify right side
    1,996,974,449.98x = 2,057,283,063,367,614,464
  5. Step 5: Solve for x
    x = 2,057,283,063,367,614,464/1,996,974,449.98
  6. Step 6: Final answer
    x = 1,030,199,992.49

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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.