Home / 13,013,459,888.40-17,958,953,472.87-7,374,488,240.88

Finding the Fourth Proportional to 13,013,459,888.40, 17,958,953,472.87 and 7,374,488,240.88

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Solution

The fourth proportional to 13,013,459,888.40, 17,958,953,472.87 and 7,374,488,240.88 is: 10,177,008,446.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,459,888.40 : 17,958,953,472.87 = 7,374,488,240.88 : x
  2. Step 2: Convert to fraction form
    13,013,459,888.40/17,958,953,472.87 = 7,374,488,240.88/x
  3. Step 3: Cross multiply
    13,013,459,888.40x = 17,958,953,472.87 × 7,374,488,240.88
  4. Step 4: Simplify right side
    13,013,459,888.40x = 132,438,091,204,190,846,976
  5. Step 5: Solve for x
    x = 132,438,091,204,190,846,976/13,013,459,888.40
  6. Step 6: Final answer
    x = 10,177,008,446.63

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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.