Home / 404,577,284.88-558,316,634.85-218,938,305.63

Finding the Fourth Proportional to 404,577,284.88, 558,316,634.85 and 218,938,305.63

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Solution

The fourth proportional to 404,577,284.88, 558,316,634.85 and 218,938,305.63 is: 302,134,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,577,284.88 : 558,316,634.85 = 218,938,305.63 : x
  2. Step 2: Convert to fraction form
    404,577,284.88/558,316,634.85 = 218,938,305.63/x
  3. Step 3: Cross multiply
    404,577,284.88x = 558,316,634.85 × 218,938,305.63
  4. Step 4: Simplify right side
    404,577,284.88x = 122,236,898,039,102,416
  5. Step 5: Solve for x
    x = 122,236,898,039,102,416/404,577,284.88
  6. Step 6: Final answer
    x = 302,134,851.87

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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.