Home / 400,254,031.58-552,356,203.77-230,614,514.37

Finding the Fourth Proportional to 400,254,031.58, 552,356,203.77 and 230,614,514.37

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Solution

The fourth proportional to 400,254,031.58, 552,356,203.77 and 230,614,514.37 is: 318,251,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,254,031.58 : 552,356,203.77 = 230,614,514.37 : x
  2. Step 2: Convert to fraction form
    400,254,031.58/552,356,203.77 = 230,614,514.37/x
  3. Step 3: Cross multiply
    400,254,031.58x = 552,356,203.77 × 230,614,514.37
  4. Step 4: Simplify right side
    400,254,031.58x = 127,381,357,691,675,312
  5. Step 5: Solve for x
    x = 127,381,357,691,675,312/400,254,031.58
  6. Step 6: Final answer
    x = 318,251,279.54

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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.