Home / 511,392,254.52-767,102,673.72-166,345,882.80

Finding the Fourth Proportional to 511,392,254.52, 767,102,673.72 and 166,345,882.80

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Solution

The fourth proportional to 511,392,254.52, 767,102,673.72 and 166,345,882.80 is: 249,523,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,392,254.52 : 767,102,673.72 = 166,345,882.80 : x
  2. Step 2: Convert to fraction form
    511,392,254.52/767,102,673.72 = 166,345,882.80/x
  3. Step 3: Cross multiply
    511,392,254.52x = 767,102,673.72 × 166,345,882.80
  4. Step 4: Simplify right side
    511,392,254.52x = 127,604,371,458,193,776
  5. Step 5: Solve for x
    x = 127,604,371,458,193,776/511,392,254.52
  6. Step 6: Final answer
    x = 249,523,473.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.