Home / 636,615,992,424.27-878,607,108,587.69-362,328,336,668.04

Finding the Fourth Proportional to 636,615,992,424.27, 878,607,108,587.69 and 362,328,336,668.04

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Solution

The fourth proportional to 636,615,992,424.27, 878,607,108,587.69 and 362,328,336,668.04 is: 500,056,951,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,615,992,424.27 : 878,607,108,587.69 = 362,328,336,668.04 : x
  2. Step 2: Convert to fraction form
    636,615,992,424.27/878,607,108,587.69 = 362,328,336,668.04/x
  3. Step 3: Cross multiply
    636,615,992,424.27x = 878,607,108,587.69 × 362,328,336,668.04
  4. Step 4: Simplify right side
    636,615,992,424.27x = 318,344,252,239,293,691,461,632
  5. Step 5: Solve for x
    x = 318,344,252,239,293,691,461,632/636,615,992,424.27
  6. Step 6: Final answer
    x = 500,056,951,172.43

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Double scale
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1.5x scale

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.