Home / 1,112,161,196.20-1,668,241,794.30-294,356,165.80

Finding the Fourth Proportional to 1,112,161,196.20, 1,668,241,794.30 and 294,356,165.80

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Solution

The fourth proportional to 1,112,161,196.20, 1,668,241,794.30 and 294,356,165.80 is: 441,534,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,161,196.20 : 1,668,241,794.30 = 294,356,165.80 : x
  2. Step 2: Convert to fraction form
    1,112,161,196.20/1,668,241,794.30 = 294,356,165.80/x
  3. Step 3: Cross multiply
    1,112,161,196.20x = 1,668,241,794.30 × 294,356,165.80
  4. Step 4: Simplify right side
    1,112,161,196.20x = 491,057,258,197,460,288
  5. Step 5: Solve for x
    x = 491,057,258,197,460,288/1,112,161,196.20
  6. Step 6: Final answer
    x = 441,534,248.70

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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.