Home / 11,315,566,166.23-15,502,395,971.18-10,891,428,396.67

Finding the Fourth Proportional to 11,315,566,166.23, 15,502,395,971.18 and 10,891,428,396.67

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Solution

The fourth proportional to 11,315,566,166.23, 15,502,395,971.18 and 10,891,428,396.67 is: 14,921,324,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315,566,166.23 : 15,502,395,971.18 = 10,891,428,396.67 : x
  2. Step 2: Convert to fraction form
    11,315,566,166.23/15,502,395,971.18 = 10,891,428,396.67/x
  3. Step 3: Cross multiply
    11,315,566,166.23x = 15,502,395,971.18 × 10,891,428,396.67
  4. Step 4: Simplify right side
    11,315,566,166.23x = 168,843,235,696,932,454,400
  5. Step 5: Solve for x
    x = 168,843,235,696,932,454,400/11,315,566,166.23
  6. Step 6: Final answer
    x = 14,921,324,590.97

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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.