Home / 1,309,772,623.89-1,963,690,380.21-792,087,974.18

Finding the Fourth Proportional to 1,309,772,623.89, 1,963,690,380.21 and 792,087,974.18

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Solution

The fourth proportional to 1,309,772,623.89, 1,963,690,380.21 and 792,087,974.18 is: 1,187,546,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,772,623.89 : 1,963,690,380.21 = 792,087,974.18 : x
  2. Step 2: Convert to fraction form
    1,309,772,623.89/1,963,690,380.21 = 792,087,974.18/x
  3. Step 3: Cross multiply
    1,309,772,623.89x = 1,963,690,380.21 × 792,087,974.18
  4. Step 4: Simplify right side
    1,309,772,623.89x = 1,555,415,535,177,769,216
  5. Step 5: Solve for x
    x = 1,555,415,535,177,769,216/1,309,772,623.89
  6. Step 6: Final answer
    x = 1,187,546,225.05

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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.