Home / 13,811,423,122.47-19,058,981,348.03-7,789,568,606.22

Finding the Fourth Proportional to 13,811,423,122.47, 19,058,981,348.03 and 7,789,568,606.22

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Solution

The fourth proportional to 13,811,423,122.47, 19,058,981,348.03 and 7,789,568,606.22 is: 10,749,163,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811,423,122.47 : 19,058,981,348.03 = 7,789,568,606.22 : x
  2. Step 2: Convert to fraction form
    13,811,423,122.47/19,058,981,348.03 = 7,789,568,606.22/x
  3. Step 3: Cross multiply
    13,811,423,122.47x = 19,058,981,348.03 × 7,789,568,606.22
  4. Step 4: Simplify right side
    13,811,423,122.47x = 148,461,242,775,147,020,288
  5. Step 5: Solve for x
    x = 148,461,242,775,147,020,288/13,811,423,122.47
  6. Step 6: Final answer
    x = 10,749,163,316.39

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Double scale
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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.