Home / 386,674,185.79-533,621,924.41-238,081,030.79

Finding the Fourth Proportional to 386,674,185.79, 533,621,924.41 and 238,081,030.79

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Solution

The fourth proportional to 386,674,185.79, 533,621,924.41 and 238,081,030.79 is: 328,558,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,674,185.79 : 533,621,924.41 = 238,081,030.79 : x
  2. Step 2: Convert to fraction form
    386,674,185.79/533,621,924.41 = 238,081,030.79/x
  3. Step 3: Cross multiply
    386,674,185.79x = 533,621,924.41 × 238,081,030.79
  4. Step 4: Simplify right side
    386,674,185.79x = 127,045,257,815,676,272
  5. Step 5: Solve for x
    x = 127,045,257,815,676,272/386,674,185.79
  6. Step 6: Final answer
    x = 328,558,932.78

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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.