Home / 404,577,283.38-558,316,632.79-218,938,304.13

Finding the Fourth Proportional to 404,577,283.38, 558,316,632.79 and 218,938,304.13

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Solution

The fourth proportional to 404,577,283.38, 558,316,632.79 and 218,938,304.13 is: 302,134,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,577,283.38 : 558,316,632.79 = 218,938,304.13 : x
  2. Step 2: Convert to fraction form
    404,577,283.38/558,316,632.79 = 218,938,304.13/x
  3. Step 3: Cross multiply
    404,577,283.38x = 558,316,632.79 × 218,938,304.13
  4. Step 4: Simplify right side
    404,577,283.38x = 122,236,896,747,557,520
  5. Step 5: Solve for x
    x = 122,236,896,747,557,520/404,577,283.38
  6. Step 6: Final answer
    x = 302,134,849.81

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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.