Home / 11,315,566,165.23-15,502,395,969.81-10,891,428,395.67

Finding the Fourth Proportional to 11,315,566,165.23, 15,502,395,969.81 and 10,891,428,395.67

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Solution

The fourth proportional to 11,315,566,165.23, 15,502,395,969.81 and 10,891,428,395.67 is: 14,921,324,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315,566,165.23 : 15,502,395,969.81 = 10,891,428,395.67 : x
  2. Step 2: Convert to fraction form
    11,315,566,165.23/15,502,395,969.81 = 10,891,428,395.67/x
  3. Step 3: Cross multiply
    11,315,566,165.23x = 15,502,395,969.81 × 10,891,428,395.67
  4. Step 4: Simplify right side
    11,315,566,165.23x = 168,843,235,666,508,808,192
  5. Step 5: Solve for x
    x = 168,843,235,666,508,808,192/11,315,566,165.23
  6. Step 6: Final answer
    x = 14,921,324,589.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.