Home / 1,993,061,435.70-2,989,581,278.70-812,637,283.62

Finding the Fourth Proportional to 1,993,061,435.70, 2,989,581,278.70 and 812,637,283.62

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Solution

The fourth proportional to 1,993,061,435.70, 2,989,581,278.70 and 812,637,283.62 is: 1,218,951,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,061,435.70 : 2,989,581,278.70 = 812,637,283.62 : x
  2. Step 2: Convert to fraction form
    1,993,061,435.70/2,989,581,278.70 = 812,637,283.62/x
  3. Step 3: Cross multiply
    1,993,061,435.70x = 2,989,581,278.70 × 812,637,283.62
  4. Step 4: Simplify right side
    1,993,061,435.70x = 2,429,445,209,483,974,144
  5. Step 5: Solve for x
    x = 2,429,445,209,483,974,144/1,993,061,435.70
  6. Step 6: Final answer
    x = 1,218,951,491.39

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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.