Home / 15,364,274,786.64-21,202,720,720.20-8,323,744,418.64

Finding the Fourth Proportional to 15,364,274,786.64, 21,202,720,720.20 and 8,323,744,418.64

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Solution

The fourth proportional to 15,364,274,786.64, 21,202,720,720.20 and 8,323,744,418.64 is: 11,486,778,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364,274,786.64 : 21,202,720,720.20 = 8,323,744,418.64 : x
  2. Step 2: Convert to fraction form
    15,364,274,786.64/21,202,720,720.20 = 8,323,744,418.64/x
  3. Step 3: Cross multiply
    15,364,274,786.64x = 21,202,720,720.20 × 8,323,744,418.64
  4. Step 4: Simplify right side
    15,364,274,786.64x = 176,486,028,254,747,459,584
  5. Step 5: Solve for x
    x = 176,486,028,254,747,459,584/15,364,274,786.64
  6. Step 6: Final answer
    x = 11,486,778,953.49

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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.