Home / 28,323,033,786.56-42,463,606,255.22-17,128,419,206.96

Finding the Fourth Proportional to 28,323,033,786.56, 42,463,606,255.22 and 17,128,419,206.96

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Solution

The fourth proportional to 28,323,033,786.56, 42,463,606,255.22 and 17,128,419,206.96 is: 25,679,962,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323,033,786.56 : 42,463,606,255.22 = 17,128,419,206.96 : x
  2. Step 2: Convert to fraction form
    28,323,033,786.56/42,463,606,255.22 = 17,128,419,206.96/x
  3. Step 3: Cross multiply
    28,323,033,786.56x = 42,463,606,255.22 × 17,128,419,206.96
  4. Step 4: Simplify right side
    28,323,033,786.56x = 727,334,448,978,518,999,040
  5. Step 5: Solve for x
    x = 727,334,448,978,518,999,040/28,323,033,786.56
  6. Step 6: Final answer
    x = 25,679,962,621.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.