Home / 13,309,891,553.31-18,368,224,297.65-7,369,444,580.19

Finding the Fourth Proportional to 13,309,891,553.31, 18,368,224,297.65 and 7,369,444,580.19

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Solution

The fourth proportional to 13,309,891,553.31, 18,368,224,297.65 and 7,369,444,580.19 is: 10,170,151,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,891,553.31 : 18,368,224,297.65 = 7,369,444,580.19 : x
  2. Step 2: Convert to fraction form
    13,309,891,553.31/18,368,224,297.65 = 7,369,444,580.19/x
  3. Step 3: Cross multiply
    13,309,891,553.31x = 18,368,224,297.65 × 7,369,444,580.19
  4. Step 4: Simplify right side
    13,309,891,553.31x = 135,363,610,998,031,073,280
  5. Step 5: Solve for x
    x = 135,363,610,998,031,073,280/13,309,891,553.31
  6. Step 6: Final answer
    x = 10,170,151,308.59

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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.