Home / 1,152,363,235.25-1,728,542,287.70-890,428,661.89

Finding the Fourth Proportional to 1,152,363,235.25, 1,728,542,287.70 and 890,428,661.89

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Solution

The fourth proportional to 1,152,363,235.25, 1,728,542,287.70 and 890,428,661.89 is: 1,335,641,010.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,363,235.25 : 1,728,542,287.70 = 890,428,661.89 : x
  2. Step 2: Convert to fraction form
    1,152,363,235.25/1,728,542,287.70 = 890,428,661.89/x
  3. Step 3: Cross multiply
    1,152,363,235.25x = 1,728,542,287.70 × 890,428,661.89
  4. Step 4: Simplify right side
    1,152,363,235.25x = 1,539,143,596,254,895,360
  5. Step 5: Solve for x
    x = 1,539,143,596,254,895,360/1,152,363,235.25
  6. Step 6: Final answer
    x = 1,335,641,010.72

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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.