Home / 1,238,764,674,816.20-1,709,268,316,853.30-690,042,324,374.52

Finding the Fourth Proportional to 1,238,764,674,816.20, 1,709,268,316,853.30 and 690,042,324,374.52

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Solution

The fourth proportional to 1,238,764,674,816.20, 1,709,268,316,853.30 and 690,042,324,374.52 is: 952,131,995,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,764,674,816.20 : 1,709,268,316,853.30 = 690,042,324,374.52 : x
  2. Step 2: Convert to fraction form
    1,238,764,674,816.20/1,709,268,316,853.30 = 690,042,324,374.52/x
  3. Step 3: Cross multiply
    1,238,764,674,816.20x = 1,709,268,316,853.30 × 690,042,324,374.52
  4. Step 4: Simplify right side
    1,238,764,674,816.20x = 1,179,467,482,341,174,685,990,912
  5. Step 5: Solve for x
    x = 1,179,467,482,341,174,685,990,912/1,238,764,674,816.20
  6. Step 6: Final answer
    x = 952,131,995,946.83

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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.