Home / 13,115,760,006.85-19,673,697,368.55-4,151,993,039.68

Finding the Fourth Proportional to 13,115,760,006.85, 19,673,697,368.55 and 4,151,993,039.68

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Solution

The fourth proportional to 13,115,760,006.85, 19,673,697,368.55 and 4,151,993,039.68 is: 6,228,007,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,760,006.85 : 19,673,697,368.55 = 4,151,993,039.68 : x
  2. Step 2: Convert to fraction form
    13,115,760,006.85/19,673,697,368.55 = 4,151,993,039.68/x
  3. Step 3: Cross multiply
    13,115,760,006.85x = 19,673,697,368.55 × 4,151,993,039.68
  4. Step 4: Simplify right side
    13,115,760,006.85x = 81,685,054,538,976,346,112
  5. Step 5: Solve for x
    x = 81,685,054,538,976,346,112/13,115,760,006.85
  6. Step 6: Final answer
    x = 6,228,007,717.15

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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.