Home / 1,260,184,116.26-1,890,260,969.07-327,424,428.16

Finding the Fourth Proportional to 1,260,184,116.26, 1,890,260,969.07 and 327,424,428.16

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Solution

The fourth proportional to 1,260,184,116.26, 1,890,260,969.07 and 327,424,428.16 is: 491,132,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,184,116.26 : 1,890,260,969.07 = 327,424,428.16 : x
  2. Step 2: Convert to fraction form
    1,260,184,116.26/1,890,260,969.07 = 327,424,428.16/x
  3. Step 3: Cross multiply
    1,260,184,116.26x = 1,890,260,969.07 × 327,424,428.16
  4. Step 4: Simplify right side
    1,260,184,116.26x = 618,917,616,867,430,784
  5. Step 5: Solve for x
    x = 618,917,616,867,430,784/1,260,184,116.26
  6. Step 6: Final answer
    x = 491,132,691.55

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Double scale
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1.5x scale

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.