Home / 745,568,585.48-1,028,840,383.86-427,955,454.92

Finding the Fourth Proportional to 745,568,585.48, 1,028,840,383.86 and 427,955,454.92

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Solution

The fourth proportional to 745,568,585.48, 1,028,840,383.86 and 427,955,454.92 is: 590,553,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,568,585.48 : 1,028,840,383.86 = 427,955,454.92 : x
  2. Step 2: Convert to fraction form
    745,568,585.48/1,028,840,383.86 = 427,955,454.92/x
  3. Step 3: Cross multiply
    745,568,585.48x = 1,028,840,383.86 × 427,955,454.92
  4. Step 4: Simplify right side
    745,568,585.48x = 440,297,854,514,873,728
  5. Step 5: Solve for x
    x = 440,297,854,514,873,728/745,568,585.48
  6. Step 6: Final answer
    x = 590,553,120.25

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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.