Home / 2,659,391,998.80-3,989,087,998.20-1,788,679,064.40

Finding the Fourth Proportional to 2,659,391,998.80, 3,989,087,998.20 and 1,788,679,064.40

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Solution

The fourth proportional to 2,659,391,998.80, 3,989,087,998.20 and 1,788,679,064.40 is: 2,683,018,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,391,998.80 : 3,989,087,998.20 = 1,788,679,064.40 : x
  2. Step 2: Convert to fraction form
    2,659,391,998.80/3,989,087,998.20 = 1,788,679,064.40/x
  3. Step 3: Cross multiply
    2,659,391,998.80x = 3,989,087,998.20 × 1,788,679,064.40
  4. Step 4: Simplify right side
    2,659,391,998.80x = 7,135,198,188,429,644,800
  5. Step 5: Solve for x
    x = 7,135,198,188,429,644,800/2,659,391,998.80
  6. Step 6: Final answer
    x = 2,683,018,596.60

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1.5x scale

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.