Home / 399,502,418,863.83-551,768,398,775.46-270,820,461,304.71

Finding the Fourth Proportional to 399,502,418,863.83, 551,768,398,775.46 and 270,820,461,304.71

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Solution

The fourth proportional to 399,502,418,863.83, 551,768,398,775.46 and 270,820,461,304.71 is: 374,040,719,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,502,418,863.83 : 551,768,398,775.46 = 270,820,461,304.71 : x
  2. Step 2: Convert to fraction form
    399,502,418,863.83/551,768,398,775.46 = 270,820,461,304.71/x
  3. Step 3: Cross multiply
    399,502,418,863.83x = 551,768,398,775.46 × 270,820,461,304.71
  4. Step 4: Simplify right side
    399,502,418,863.83x = 149,430,172,289,731,238,297,600
  5. Step 5: Solve for x
    x = 149,430,172,289,731,238,297,600/399,502,418,863.83
  6. Step 6: Final answer
    x = 374,040,719,740.08

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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.