Home / 1,238,764,674,819.10-1,709,268,316,857.50-690,042,324,377.52

Finding the Fourth Proportional to 1,238,764,674,819.10, 1,709,268,316,857.50 and 690,042,324,377.52

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Solution

The fourth proportional to 1,238,764,674,819.10, 1,709,268,316,857.50 and 690,042,324,377.52 is: 952,131,995,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,764,674,819.10 : 1,709,268,316,857.50 = 690,042,324,377.52 : x
  2. Step 2: Convert to fraction form
    1,238,764,674,819.10/1,709,268,316,857.50 = 690,042,324,377.52/x
  3. Step 3: Cross multiply
    1,238,764,674,819.10x = 1,709,268,316,857.50 × 690,042,324,377.52
  4. Step 4: Simplify right side
    1,238,764,674,819.10x = 1,179,467,482,349,200,637,689,856
  5. Step 5: Solve for x
    x = 1,179,467,482,349,200,637,689,856/1,238,764,674,819.10
  6. Step 6: Final answer
    x = 952,131,995,951.08

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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.