Home / 684,721,342.46-1,027,746,175.69-330,444,944.21

Finding the Fourth Proportional to 684,721,342.46, 1,027,746,175.69 and 330,444,944.21

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Solution

The fourth proportional to 684,721,342.46, 1,027,746,175.69 and 330,444,944.21 is: 495,987,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,721,342.46 : 1,027,746,175.69 = 330,444,944.21 : x
  2. Step 2: Convert to fraction form
    684,721,342.46/1,027,746,175.69 = 330,444,944.21/x
  3. Step 3: Cross multiply
    684,721,342.46x = 1,027,746,175.69 × 330,444,944.21
  4. Step 4: Simplify right side
    684,721,342.46x = 339,613,527,690,888,768
  5. Step 5: Solve for x
    x = 339,613,527,690,888,768/684,721,342.46
  6. Step 6: Final answer
    x = 495,987,939.37

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1.5x scale

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.