Home / 21,923,981,922.46-30,255,117,444.48-11,899,478,836.30

Finding the Fourth Proportional to 21,923,981,922.46, 30,255,117,444.48 and 11,899,478,836.30

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Solution

The fourth proportional to 21,923,981,922.46, 30,255,117,444.48 and 11,899,478,836.30 is: 16,421,292,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,981,922.46 : 30,255,117,444.48 = 11,899,478,836.30 : x
  2. Step 2: Convert to fraction form
    21,923,981,922.46/30,255,117,444.48 = 11,899,478,836.30/x
  3. Step 3: Cross multiply
    21,923,981,922.46x = 30,255,117,444.48 × 11,899,478,836.30
  4. Step 4: Simplify right side
    21,923,981,922.46x = 360,020,129,720,360,697,856
  5. Step 5: Solve for x
    x = 360,020,129,720,360,697,856/21,923,981,922.46
  6. Step 6: Final answer
    x = 16,421,292,947.32

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Double scale
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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.