Home / 21,925,367,836.83-30,256,224,755.47-12,409,715,282.49

Finding the Fourth Proportional to 21,925,367,836.83, 30,256,224,755.47 and 12,409,715,282.49

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Solution

The fourth proportional to 21,925,367,836.83, 30,256,224,755.47 and 12,409,715,282.49 is: 17,124,963,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,925,367,836.83 : 30,256,224,755.47 = 12,409,715,282.49 : x
  2. Step 2: Convert to fraction form
    21,925,367,836.83/30,256,224,755.47 = 12,409,715,282.49/x
  3. Step 3: Cross multiply
    21,925,367,836.83x = 30,256,224,755.47 × 12,409,715,282.49
  4. Step 4: Simplify right side
    21,925,367,836.83x = 375,471,134,738,371,051,520
  5. Step 5: Solve for x
    x = 375,471,134,738,371,051,520/21,925,367,836.83
  6. Step 6: Final answer
    x = 17,124,963,992.97

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1.5x scale

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.