Home / 1,989,952,381,498.80-2,985,227,030,137.20-698,936,087,173.73

Finding the Fourth Proportional to 1,989,952,381,498.80, 2,985,227,030,137.20 and 698,936,087,173.73

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Solution

The fourth proportional to 1,989,952,381,498.80, 2,985,227,030,137.20 and 698,936,087,173.73 is: 1,048,508,958,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,952,381,498.80 : 2,985,227,030,137.20 = 698,936,087,173.73 : x
  2. Step 2: Convert to fraction form
    1,989,952,381,498.80/2,985,227,030,137.20 = 698,936,087,173.73/x
  3. Step 3: Cross multiply
    1,989,952,381,498.80x = 2,985,227,030,137.20 × 698,936,087,173.73
  4. Step 4: Simplify right side
    1,989,952,381,498.80x = 2,086,482,899,769,349,252,317,184
  5. Step 5: Solve for x
    x = 2,086,482,899,769,349,252,317,184/1,989,952,381,498.80
  6. Step 6: Final answer
    x = 1,048,508,958,891.69

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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.