Home / 404,577,285.88-558,316,636.23-218,938,306.63

Finding the Fourth Proportional to 404,577,285.88, 558,316,636.23 and 218,938,306.63

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Solution

The fourth proportional to 404,577,285.88, 558,316,636.23 and 218,938,306.63 is: 302,134,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,577,285.88 : 558,316,636.23 = 218,938,306.63 : x
  2. Step 2: Convert to fraction form
    404,577,285.88/558,316,636.23 = 218,938,306.63/x
  3. Step 3: Cross multiply
    404,577,285.88x = 558,316,636.23 × 218,938,306.63
  4. Step 4: Simplify right side
    404,577,285.88x = 122,236,898,899,553,904
  5. Step 5: Solve for x
    x = 122,236,898,899,553,904/404,577,285.88
  6. Step 6: Final answer
    x = 302,134,853.25

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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.