Home / 13,811,423,124.84-19,058,981,351.31-7,789,568,608.59

Finding the Fourth Proportional to 13,811,423,124.84, 19,058,981,351.31 and 7,789,568,608.59

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Solution

The fourth proportional to 13,811,423,124.84, 19,058,981,351.31 and 7,789,568,608.59 is: 10,749,163,319.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811,423,124.84 : 19,058,981,351.31 = 7,789,568,608.59 : x
  2. Step 2: Convert to fraction form
    13,811,423,124.84/19,058,981,351.31 = 7,789,568,608.59/x
  3. Step 3: Cross multiply
    13,811,423,124.84x = 19,058,981,351.31 × 7,789,568,608.59
  4. Step 4: Simplify right side
    13,811,423,124.84x = 148,461,242,845,866,622,976
  5. Step 5: Solve for x
    x = 148,461,242,845,866,622,976/13,811,423,124.84
  6. Step 6: Final answer
    x = 10,749,163,319.66

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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.