Home / 1,321,195,304.40-1,823,302,054.08-726,528,542.64

Finding the Fourth Proportional to 1,321,195,304.40, 1,823,302,054.08 and 726,528,542.64

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Solution

The fourth proportional to 1,321,195,304.40, 1,823,302,054.08 and 726,528,542.64 is: 1,002,638,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,195,304.40 : 1,823,302,054.08 = 726,528,542.64 : x
  2. Step 2: Convert to fraction form
    1,321,195,304.40/1,823,302,054.08 = 726,528,542.64/x
  3. Step 3: Cross multiply
    1,321,195,304.40x = 1,823,302,054.08 × 726,528,542.64
  4. Step 4: Simplify right side
    1,321,195,304.40x = 1,324,680,984,143,260,672
  5. Step 5: Solve for x
    x = 1,324,680,984,143,260,672/1,321,195,304.40
  6. Step 6: Final answer
    x = 1,002,638,277.42

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Double scale
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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.