Home / 553,086,051.39-763,249,721.81-302,185,043.82

Finding the Fourth Proportional to 553,086,051.39, 763,249,721.81 and 302,185,043.82

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Solution

The fourth proportional to 553,086,051.39, 763,249,721.81 and 302,185,043.82 is: 417,010,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,086,051.39 : 763,249,721.81 = 302,185,043.82 : x
  2. Step 2: Convert to fraction form
    553,086,051.39/763,249,721.81 = 302,185,043.82/x
  3. Step 3: Cross multiply
    553,086,051.39x = 763,249,721.81 × 302,185,043.82
  4. Step 4: Simplify right side
    553,086,051.39x = 230,642,650,629,246,720
  5. Step 5: Solve for x
    x = 230,642,650,629,246,720/553,086,051.39
  6. Step 6: Final answer
    x = 417,010,427.31

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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.