Home / 386,326,258.82-579,727,743.27-179,026,029.98

Finding the Fourth Proportional to 386,326,258.82, 579,727,743.27 and 179,026,029.98

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Solution

The fourth proportional to 386,326,258.82, 579,727,743.27 and 179,026,029.98 is: 268,649,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,326,258.82 : 579,727,743.27 = 179,026,029.98 : x
  2. Step 2: Convert to fraction form
    386,326,258.82/579,727,743.27 = 179,026,029.98/x
  3. Step 3: Cross multiply
    386,326,258.82x = 579,727,743.27 × 179,026,029.98
  4. Step 4: Simplify right side
    386,326,258.82x = 103,786,356,346,892,752
  5. Step 5: Solve for x
    x = 103,786,356,346,892,752/386,326,258.82
  6. Step 6: Final answer
    x = 268,649,500.20

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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.