Home / 320,851,858,920.62-442,786,183,994.82-176,341,110,869.96

Finding the Fourth Proportional to 320,851,858,920.62, 442,786,183,994.82 and 176,341,110,869.96

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Solution

The fourth proportional to 320,851,858,920.62, 442,786,183,994.82 and 176,341,110,869.96 is: 243,356,569,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,851,858,920.62 : 442,786,183,994.82 = 176,341,110,869.96 : x
  2. Step 2: Convert to fraction form
    320,851,858,920.62/442,786,183,994.82 = 176,341,110,869.96/x
  3. Step 3: Cross multiply
    320,851,858,920.62x = 442,786,183,994.82 × 176,341,110,869.96
  4. Step 4: Simplify right side
    320,851,858,920.62x = 78,081,407,563,517,057,302,528
  5. Step 5: Solve for x
    x = 78,081,407,563,517,057,302,528/320,851,858,920.62
  6. Step 6: Final answer
    x = 243,356,569,060.22

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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.