Home / 304,693,168.72-420,605,301.14-205,708,001.42

Finding the Fourth Proportional to 304,693,168.72, 420,605,301.14 and 205,708,001.42

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Solution

The fourth proportional to 304,693,168.72, 420,605,301.14 and 205,708,001.42 is: 283,963,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,693,168.72 : 420,605,301.14 = 205,708,001.42 : x
  2. Step 2: Convert to fraction form
    304,693,168.72/420,605,301.14 = 205,708,001.42/x
  3. Step 3: Cross multiply
    304,693,168.72x = 420,605,301.14 × 205,708,001.42
  4. Step 4: Simplify right side
    304,693,168.72x = 86,521,875,884,166,640
  5. Step 5: Solve for x
    x = 86,521,875,884,166,640/304,693,168.72
  6. Step 6: Final answer
    x = 283,963,950.51

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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.