Home / 393,330,671.60-589,996,007.40-189,257,327.60

Finding the Fourth Proportional to 393,330,671.60, 589,996,007.40 and 189,257,327.60

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Solution

The fourth proportional to 393,330,671.60, 589,996,007.40 and 189,257,327.60 is: 283,885,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,330,671.60 : 589,996,007.40 = 189,257,327.60 : x
  2. Step 2: Convert to fraction form
    393,330,671.60/589,996,007.40 = 189,257,327.60/x
  3. Step 3: Cross multiply
    393,330,671.60x = 589,996,007.40 × 189,257,327.60
  4. Step 4: Simplify right side
    393,330,671.60x = 111,661,067,655,193,824
  5. Step 5: Solve for x
    x = 111,661,067,655,193,824/393,330,671.60
  6. Step 6: Final answer
    x = 283,885,991.40

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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.