Home / 1,119,745,428.80-1,679,618,143.20-629,969,403.20

Finding the Fourth Proportional to 1,119,745,428.80, 1,679,618,143.20 and 629,969,403.20

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Solution

The fourth proportional to 1,119,745,428.80, 1,679,618,143.20 and 629,969,403.20 is: 944,954,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,745,428.80 : 1,679,618,143.20 = 629,969,403.20 : x
  2. Step 2: Convert to fraction form
    1,119,745,428.80/1,679,618,143.20 = 629,969,403.20/x
  3. Step 3: Cross multiply
    1,119,745,428.80x = 1,679,618,143.20 × 629,969,403.20
  4. Step 4: Simplify right side
    1,119,745,428.80x = 1,058,108,039,275,596,288
  5. Step 5: Solve for x
    x = 1,058,108,039,275,596,288/1,119,745,428.80
  6. Step 6: Final answer
    x = 944,954,104.80

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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.