Home / 682,530,359.27-942,542,406.14-645,346,540.58

Finding the Fourth Proportional to 682,530,359.27, 942,542,406.14 and 645,346,540.58

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Solution

The fourth proportional to 682,530,359.27, 942,542,406.14 and 645,346,540.58 is: 891,193,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,530,359.27 : 942,542,406.14 = 645,346,540.58 : x
  2. Step 2: Convert to fraction form
    682,530,359.27/942,542,406.14 = 645,346,540.58/x
  3. Step 3: Cross multiply
    682,530,359.27x = 942,542,406.14 × 645,346,540.58
  4. Step 4: Simplify right side
    682,530,359.27x = 608,266,481,149,171,712
  5. Step 5: Solve for x
    x = 608,266,481,149,171,712/682,530,359.27
  6. Step 6: Final answer
    x = 891,193,296.95

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1.5x scale

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.