Home / 28,323,033,786.18-42,463,606,254.66-17,128,419,206.58

Finding the Fourth Proportional to 28,323,033,786.18, 42,463,606,254.66 and 17,128,419,206.58

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Solution

The fourth proportional to 28,323,033,786.18, 42,463,606,254.66 and 17,128,419,206.58 is: 25,679,962,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323,033,786.18 : 42,463,606,254.66 = 17,128,419,206.58 : x
  2. Step 2: Convert to fraction form
    28,323,033,786.18/42,463,606,254.66 = 17,128,419,206.58/x
  3. Step 3: Cross multiply
    28,323,033,786.18x = 42,463,606,254.66 × 17,128,419,206.58
  4. Step 4: Simplify right side
    28,323,033,786.18x = 727,334,448,952,969,003,008
  5. Step 5: Solve for x
    x = 727,334,448,952,969,003,008/28,323,033,786.18
  6. Step 6: Final answer
    x = 25,679,962,621.37

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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.