Home / 386,326,259.32-579,727,744.02-179,026,030.48

Finding the Fourth Proportional to 386,326,259.32, 579,727,744.02 and 179,026,030.48

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Solution

The fourth proportional to 386,326,259.32, 579,727,744.02 and 179,026,030.48 is: 268,649,500.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,326,259.32 : 579,727,744.02 = 179,026,030.48 : x
  2. Step 2: Convert to fraction form
    386,326,259.32/579,727,744.02 = 179,026,030.48/x
  3. Step 3: Cross multiply
    386,326,259.32x = 579,727,744.02 × 179,026,030.48
  4. Step 4: Simplify right side
    386,326,259.32x = 103,786,356,771,026,144
  5. Step 5: Solve for x
    x = 103,786,356,771,026,144/386,326,259.32
  6. Step 6: Final answer
    x = 268,649,500.95

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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.