Home / 864,881,214.82-1,297,488,734.43-282,458,883.22

Finding the Fourth Proportional to 864,881,214.82, 1,297,488,734.43 and 282,458,883.22

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Solution

The fourth proportional to 864,881,214.82, 1,297,488,734.43 and 282,458,883.22 is: 423,742,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,881,214.82 : 1,297,488,734.43 = 282,458,883.22 : x
  2. Step 2: Convert to fraction form
    864,881,214.82/1,297,488,734.43 = 282,458,883.22/x
  3. Step 3: Cross multiply
    864,881,214.82x = 1,297,488,734.43 × 282,458,883.22
  4. Step 4: Simplify right side
    864,881,214.82x = 366,487,218,917,628,992
  5. Step 5: Solve for x
    x = 366,487,218,917,628,992/864,881,214.82
  6. Step 6: Final answer
    x = 423,742,836.17

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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.