Home / 13,586,983,437.92-20,373,656,518.43-7,916,404,514.66

Finding the Fourth Proportional to 13,586,983,437.92, 20,373,656,518.43 and 7,916,404,514.66

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Solution

The fourth proportional to 13,586,983,437.92, 20,373,656,518.43 and 7,916,404,514.66 is: 11,870,633,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,983,437.92 : 20,373,656,518.43 = 7,916,404,514.66 : x
  2. Step 2: Convert to fraction form
    13,586,983,437.92/20,373,656,518.43 = 7,916,404,514.66/x
  3. Step 3: Cross multiply
    13,586,983,437.92x = 20,373,656,518.43 × 7,916,404,514.66
  4. Step 4: Simplify right side
    13,586,983,437.92x = 161,286,106,442,592,911,360
  5. Step 5: Solve for x
    x = 161,286,106,442,592,911,360/13,586,983,437.92
  6. Step 6: Final answer
    x = 11,870,633,918.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.