Home / 22,138,953,634.14-30,572,856,348.75-20,932,837,558.19

Finding the Fourth Proportional to 22,138,953,634.14, 30,572,856,348.75 and 20,932,837,558.19

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Solution

The fourth proportional to 22,138,953,634.14, 30,572,856,348.75 and 20,932,837,558.19 is: 28,907,266,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138,953,634.14 : 30,572,856,348.75 = 20,932,837,558.19 : x
  2. Step 2: Convert to fraction form
    22,138,953,634.14/30,572,856,348.75 = 20,932,837,558.19/x
  3. Step 3: Cross multiply
    22,138,953,634.14x = 30,572,856,348.75 × 20,932,837,558.19
  4. Step 4: Simplify right side
    22,138,953,634.14x = 639,976,635,638,097,510,400
  5. Step 5: Solve for x
    x = 639,976,635,638,097,510,400/22,138,953,634.14
  6. Step 6: Final answer
    x = 28,907,266,631.22

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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.