Home / 886,214,419.20-1,329,321,628.80-394,926,739.20

Finding the Fourth Proportional to 886,214,419.20, 1,329,321,628.80 and 394,926,739.20

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Solution

The fourth proportional to 886,214,419.20, 1,329,321,628.80 and 394,926,739.20 is: 592,390,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,214,419.20 : 1,329,321,628.80 = 394,926,739.20 : x
  2. Step 2: Convert to fraction form
    886,214,419.20/1,329,321,628.80 = 394,926,739.20/x
  3. Step 3: Cross multiply
    886,214,419.20x = 1,329,321,628.80 × 394,926,739.20
  4. Step 4: Simplify right side
    886,214,419.20x = 524,984,656,210,016,768
  5. Step 5: Solve for x
    x = 524,984,656,210,016,768/886,214,419.20
  6. Step 6: Final answer
    x = 592,390,108.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.