Home / 1,201,769,839.73-1,654,587,943.31-937,112,221.73

Finding the Fourth Proportional to 1,201,769,839.73, 1,654,587,943.31 and 937,112,221.73

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Solution

The fourth proportional to 1,201,769,839.73, 1,654,587,943.31 and 937,112,221.73 is: 1,290,209,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,769,839.73 : 1,654,587,943.31 = 937,112,221.73 : x
  2. Step 2: Convert to fraction form
    1,201,769,839.73/1,654,587,943.31 = 937,112,221.73/x
  3. Step 3: Cross multiply
    1,201,769,839.73x = 1,654,587,943.31 × 937,112,221.73
  4. Step 4: Simplify right side
    1,201,769,839.73x = 1,550,534,583,589,946,880
  5. Step 5: Solve for x
    x = 1,550,534,583,589,946,880/1,201,769,839.73
  6. Step 6: Final answer
    x = 1,290,209,266.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.