Home / 579,983,340.96-870,056,557.20-186,378,208.56

Finding the Fourth Proportional to 579,983,340.96, 870,056,557.20 and 186,378,208.56

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Solution

The fourth proportional to 579,983,340.96, 870,056,557.20 and 186,378,208.56 is: 279,593,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,983,340.96 : 870,056,557.20 = 186,378,208.56 : x
  2. Step 2: Convert to fraction form
    579,983,340.96/870,056,557.20 = 186,378,208.56/x
  3. Step 3: Cross multiply
    579,983,340.96x = 870,056,557.20 × 186,378,208.56
  4. Step 4: Simplify right side
    579,983,340.96x = 162,159,582,476,817,184
  5. Step 5: Solve for x
    x = 162,159,582,476,817,184/579,983,340.96
  6. Step 6: Final answer
    x = 279,593,517.65

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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.