Home / 18,394,988,222.48-25,389,806,890.91-11,980,791,802.13

Finding the Fourth Proportional to 18,394,988,222.48, 25,389,806,890.91 and 11,980,791,802.13

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Solution

The fourth proportional to 18,394,988,222.48, 25,389,806,890.91 and 11,980,791,802.13 is: 16,536,568,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394,988,222.48 : 25,389,806,890.91 = 11,980,791,802.13 : x
  2. Step 2: Convert to fraction form
    18,394,988,222.48/25,389,806,890.91 = 11,980,791,802.13/x
  3. Step 3: Cross multiply
    18,394,988,222.48x = 25,389,806,890.91 × 11,980,791,802.13
  4. Step 4: Simplify right side
    18,394,988,222.48x = 304,189,990,256,091,463,680
  5. Step 5: Solve for x
    x = 304,189,990,256,091,463,680/18,394,988,222.48
  6. Step 6: Final answer
    x = 16,536,568,905.46

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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.