Home / 1,152,363,235-1,728,542,287.33-890,428,661.64

Finding the Fourth Proportional to 1,152,363,235, 1,728,542,287.33 and 890,428,661.64

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Solution

The fourth proportional to 1,152,363,235, 1,728,542,287.33 and 890,428,661.64 is: 1,335,641,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,363,235 : 1,728,542,287.33 = 890,428,661.64 : x
  2. Step 2: Convert to fraction form
    1,152,363,235/1,728,542,287.33 = 890,428,661.64/x
  3. Step 3: Cross multiply
    1,152,363,235x = 1,728,542,287.33 × 890,428,661.64
  4. Step 4: Simplify right side
    1,152,363,235x = 1,539,143,595,486,753,536
  5. Step 5: Solve for x
    x = 1,539,143,595,486,753,536/1,152,363,235
  6. Step 6: Final answer
    x = 1,335,641,010.35

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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.