Home / 1,371,499,309.10-1,892,826,057.33-768,832,706.41

Finding the Fourth Proportional to 1,371,499,309.10, 1,892,826,057.33 and 768,832,706.41

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Solution

The fourth proportional to 1,371,499,309.10, 1,892,826,057.33 and 768,832,706.41 is: 1,061,077,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,499,309.10 : 1,892,826,057.33 = 768,832,706.41 : x
  2. Step 2: Convert to fraction form
    1,371,499,309.10/1,892,826,057.33 = 768,832,706.41/x
  3. Step 3: Cross multiply
    1,371,499,309.10x = 1,892,826,057.33 × 768,832,706.41
  4. Step 4: Simplify right side
    1,371,499,309.10x = 1,455,266,580,415,661,568
  5. Step 5: Solve for x
    x = 1,455,266,580,415,661,568/1,371,499,309.10
  6. Step 6: Final answer
    x = 1,061,077,151.67

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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.