Home / 37,786,578,592.43-52,145,168,564.31-20,639,442,806.79

Finding the Fourth Proportional to 37,786,578,592.43, 52,145,168,564.31 and 20,639,442,806.79

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Solution

The fourth proportional to 37,786,578,592.43, 52,145,168,564.31 and 20,639,442,806.79 is: 28,482,261,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,786,578,592.43 : 52,145,168,564.31 = 20,639,442,806.79 : x
  2. Step 2: Convert to fraction form
    37,786,578,592.43/52,145,168,564.31 = 20,639,442,806.79/x
  3. Step 3: Cross multiply
    37,786,578,592.43x = 52,145,168,564.31 × 20,639,442,806.79
  4. Step 4: Simplify right side
    37,786,578,592.43x = 1,076,247,224,233,374,121,984
  5. Step 5: Solve for x
    x = 1,076,247,224,233,374,121,984/37,786,578,592.43
  6. Step 6: Final answer
    x = 28,482,261,806.29

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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.