Home / 684,721,369.22-1,027,746,215.72-330,444,970.92

Finding the Fourth Proportional to 684,721,369.22, 1,027,746,215.72 and 330,444,970.92

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Solution

The fourth proportional to 684,721,369.22, 1,027,746,215.72 and 330,444,970.92 is: 495,987,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,721,369.22 : 1,027,746,215.72 = 330,444,970.92 : x
  2. Step 2: Convert to fraction form
    684,721,369.22/1,027,746,215.72 = 330,444,970.92/x
  3. Step 3: Cross multiply
    684,721,369.22x = 1,027,746,215.72 × 330,444,970.92
  4. Step 4: Simplify right side
    684,721,369.22x = 339,613,568,365,083,264
  5. Step 5: Solve for x
    x = 339,613,568,365,083,264/684,721,369.22
  6. Step 6: Final answer
    x = 495,987,979.39

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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.