Home / 684,721,345.25-1,027,746,179.91-330,444,947.03

Finding the Fourth Proportional to 684,721,345.25, 1,027,746,179.91 and 330,444,947.03

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Solution

The fourth proportional to 684,721,345.25, 1,027,746,179.91 and 330,444,947.03 is: 495,987,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,721,345.25 : 1,027,746,179.91 = 330,444,947.03 : x
  2. Step 2: Convert to fraction form
    684,721,345.25/1,027,746,179.91 = 330,444,947.03/x
  3. Step 3: Cross multiply
    684,721,345.25x = 1,027,746,179.91 × 330,444,947.03
  4. Step 4: Simplify right side
    684,721,345.25x = 339,613,531,975,506,048
  5. Step 5: Solve for x
    x = 339,613,531,975,506,048/684,721,345.25
  6. Step 6: Final answer
    x = 495,987,943.61

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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.