Home / 352,746,712.86-486,817,694.30-211,623,218.70

Finding the Fourth Proportional to 352,746,712.86, 486,817,694.30 and 211,623,218.70

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Solution

The fourth proportional to 352,746,712.86, 486,817,694.30 and 211,623,218.70 is: 292,056,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,746,712.86 : 486,817,694.30 = 211,623,218.70 : x
  2. Step 2: Convert to fraction form
    352,746,712.86/486,817,694.30 = 211,623,218.70/x
  3. Step 3: Cross multiply
    352,746,712.86x = 486,817,694.30 × 211,623,218.70
  4. Step 4: Simplify right side
    352,746,712.86x = 103,021,927,388,407,696
  5. Step 5: Solve for x
    x = 103,021,927,388,407,696/352,746,712.86
  6. Step 6: Final answer
    x = 292,056,378.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.