Home / 1,372,187,977.04-1,893,476,861.39-807,639,190.29

Finding the Fourth Proportional to 1,372,187,977.04, 1,893,476,861.39 and 807,639,190.29

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Solution

The fourth proportional to 1,372,187,977.04, 1,893,476,861.39 and 807,639,190.29 is: 1,114,458,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,187,977.04 : 1,893,476,861.39 = 807,639,190.29 : x
  2. Step 2: Convert to fraction form
    1,372,187,977.04/1,893,476,861.39 = 807,639,190.29/x
  3. Step 3: Cross multiply
    1,372,187,977.04x = 1,893,476,861.39 × 807,639,190.29
  4. Step 4: Simplify right side
    1,372,187,977.04x = 1,529,246,119,161,831,936
  5. Step 5: Solve for x
    x = 1,529,246,119,161,831,936/1,372,187,977.04
  6. Step 6: Final answer
    x = 1,114,458,182.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.