Home / 21,923,981,921.46-30,255,117,443.10-11,899,478,835.30

Finding the Fourth Proportional to 21,923,981,921.46, 30,255,117,443.10 and 11,899,478,835.30

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Solution

The fourth proportional to 21,923,981,921.46, 30,255,117,443.10 and 11,899,478,835.30 is: 16,421,292,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,981,921.46 : 30,255,117,443.10 = 11,899,478,835.30 : x
  2. Step 2: Convert to fraction form
    21,923,981,921.46/30,255,117,443.10 = 11,899,478,835.30/x
  3. Step 3: Cross multiply
    21,923,981,921.46x = 30,255,117,443.10 × 11,899,478,835.30
  4. Step 4: Simplify right side
    21,923,981,921.46x = 360,020,129,673,684,254,720
  5. Step 5: Solve for x
    x = 360,020,129,673,684,254,720/21,923,981,921.46
  6. Step 6: Final answer
    x = 16,421,292,945.94

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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.