Home / 15,365,428,407.22-21,197,798,228.88-10,286,428,713.88

Finding the Fourth Proportional to 15,365,428,407.22, 21,197,798,228.88 and 10,286,428,713.88

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Solution

The fourth proportional to 15,365,428,407.22, 21,197,798,228.88 and 10,286,428,713.88 is: 14,190,924,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,428,407.22 : 21,197,798,228.88 = 10,286,428,713.88 : x
  2. Step 2: Convert to fraction form
    15,365,428,407.22/21,197,798,228.88 = 10,286,428,713.88/x
  3. Step 3: Cross multiply
    15,365,428,407.22x = 21,197,798,228.88 × 10,286,428,713.88
  4. Step 4: Simplify right side
    15,365,428,407.22x = 218,049,640,372,585,824,256
  5. Step 5: Solve for x
    x = 218,049,640,372,585,824,256/15,365,428,407.22
  6. Step 6: Final answer
    x = 14,190,924,886.29

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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.