Home / 21,893,202,222.14-30,212,857,188.16-12,861,341,004.26

Finding the Fourth Proportional to 21,893,202,222.14, 30,212,857,188.16 and 12,861,341,004.26

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Solution

The fourth proportional to 21,893,202,222.14, 30,212,857,188.16 and 12,861,341,004.26 is: 17,748,790,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,202,222.14 : 30,212,857,188.16 = 12,861,341,004.26 : x
  2. Step 2: Convert to fraction form
    21,893,202,222.14/30,212,857,188.16 = 12,861,341,004.26/x
  3. Step 3: Cross multiply
    21,893,202,222.14x = 30,212,857,188.16 × 12,861,341,004.26
  4. Step 4: Simplify right side
    21,893,202,222.14x = 388,577,859,009,933,672,448
  5. Step 5: Solve for x
    x = 388,577,859,009,933,672,448/21,893,202,222.14
  6. Step 6: Final answer
    x = 17,748,790,472.37

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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.