Home / 1,993,061,434.95-2,989,581,277.57-812,637,282.87

Finding the Fourth Proportional to 1,993,061,434.95, 2,989,581,277.57 and 812,637,282.87

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Solution

The fourth proportional to 1,993,061,434.95, 2,989,581,277.57 and 812,637,282.87 is: 1,218,951,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,061,434.95 : 2,989,581,277.57 = 812,637,282.87 : x
  2. Step 2: Convert to fraction form
    1,993,061,434.95/2,989,581,277.57 = 812,637,282.87/x
  3. Step 3: Cross multiply
    1,993,061,434.95x = 2,989,581,277.57 × 812,637,282.87
  4. Step 4: Simplify right side
    1,993,061,434.95x = 2,429,445,206,321,476,608
  5. Step 5: Solve for x
    x = 2,429,445,206,321,476,608/1,993,061,434.95
  6. Step 6: Final answer
    x = 1,218,951,490.26

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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.