Home / 13,013,459,887.39-17,958,953,471.48-7,374,488,239.87

Finding the Fourth Proportional to 13,013,459,887.39, 17,958,953,471.48 and 7,374,488,239.87

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Solution

The fourth proportional to 13,013,459,887.39, 17,958,953,471.48 and 7,374,488,239.87 is: 10,177,008,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,459,887.39 : 17,958,953,471.48 = 7,374,488,239.87 : x
  2. Step 2: Convert to fraction form
    13,013,459,887.39/17,958,953,471.48 = 7,374,488,239.87/x
  3. Step 3: Cross multiply
    13,013,459,887.39x = 17,958,953,471.48 × 7,374,488,239.87
  4. Step 4: Simplify right side
    13,013,459,887.39x = 132,438,091,175,801,765,888
  5. Step 5: Solve for x
    x = 132,438,091,175,801,765,888/13,013,459,887.39
  6. Step 6: Final answer
    x = 10,177,008,445.24

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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.