Home / 393,398,625.20-590,097,937.80-189,325,281.20

Finding the Fourth Proportional to 393,398,625.20, 590,097,937.80 and 189,325,281.20

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Solution

The fourth proportional to 393,398,625.20, 590,097,937.80 and 189,325,281.20 is: 283,987,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,398,625.20 : 590,097,937.80 = 189,325,281.20 : x
  2. Step 2: Convert to fraction form
    393,398,625.20/590,097,937.80 = 189,325,281.20/x
  3. Step 3: Cross multiply
    393,398,625.20x = 590,097,937.80 × 189,325,281.20
  4. Step 4: Simplify right side
    393,398,625.20x = 111,720,458,009,525,088
  5. Step 5: Solve for x
    x = 111,720,458,009,525,088/393,398,625.20
  6. Step 6: Final answer
    x = 283,987,921.80

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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.