Home / 13,140,786,637.05-18,134,049,174.13-7,424,948,342.71

Finding the Fourth Proportional to 13,140,786,637.05, 18,134,049,174.13 and 7,424,948,342.71

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Solution

The fourth proportional to 13,140,786,637.05, 18,134,049,174.13 and 7,424,948,342.71 is: 10,246,295,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,786,637.05 : 18,134,049,174.13 = 7,424,948,342.71 : x
  2. Step 2: Convert to fraction form
    13,140,786,637.05/18,134,049,174.13 = 7,424,948,342.71/x
  3. Step 3: Cross multiply
    13,140,786,637.05x = 18,134,049,174.13 × 7,424,948,342.71
  4. Step 4: Simplify right side
    13,140,786,637.05x = 134,644,378,362,112,819,200
  5. Step 5: Solve for x
    x = 134,644,378,362,112,819,200/13,140,786,637.05
  6. Step 6: Final answer
    x = 10,246,295,148.16

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Find fourth proportional to 13,140,786,638.05, 18,134,049,175.51 and 7,424,948,343.71
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1.5x scale

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.