Home / 386,326,260.32-579,727,745.52-179,026,031.48

Finding the Fourth Proportional to 386,326,260.32, 579,727,745.52 and 179,026,031.48

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Solution

The fourth proportional to 386,326,260.32, 579,727,745.52 and 179,026,031.48 is: 268,649,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,326,260.32 : 579,727,745.52 = 179,026,031.48 : x
  2. Step 2: Convert to fraction form
    386,326,260.32/579,727,745.52 = 179,026,031.48/x
  3. Step 3: Cross multiply
    386,326,260.32x = 579,727,745.52 × 179,026,031.48
  4. Step 4: Simplify right side
    386,326,260.32x = 103,786,357,619,292,944
  5. Step 5: Solve for x
    x = 103,786,357,619,292,944/386,326,260.32
  6. Step 6: Final answer
    x = 268,649,502.45

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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.