Home / 13,811,423,121.47-19,058,981,346.65-7,789,568,605.22

Finding the Fourth Proportional to 13,811,423,121.47, 19,058,981,346.65 and 7,789,568,605.22

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Solution

The fourth proportional to 13,811,423,121.47, 19,058,981,346.65 and 7,789,568,605.22 is: 10,749,163,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811,423,121.47 : 19,058,981,346.65 = 7,789,568,605.22 : x
  2. Step 2: Convert to fraction form
    13,811,423,121.47/19,058,981,346.65 = 7,789,568,605.22/x
  3. Step 3: Cross multiply
    13,811,423,121.47x = 19,058,981,346.65 × 7,789,568,605.22
  4. Step 4: Simplify right side
    13,811,423,121.47x = 148,461,242,745,266,503,680
  5. Step 5: Solve for x
    x = 148,461,242,745,266,503,680/13,811,423,121.47
  6. Step 6: Final answer
    x = 10,749,163,315.01

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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.