Home / 1,173,421,761,167.20-1,760,132,641,750.80-419,656,457,768.80

Finding the Fourth Proportional to 1,173,421,761,167.20, 1,760,132,641,750.80 and 419,656,457,768.80

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Solution

The fourth proportional to 1,173,421,761,167.20, 1,760,132,641,750.80 and 419,656,457,768.80 is: 629,484,686,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,421,761,167.20 : 1,760,132,641,750.80 = 419,656,457,768.80 : x
  2. Step 2: Convert to fraction form
    1,173,421,761,167.20/1,760,132,641,750.80 = 419,656,457,768.80/x
  3. Step 3: Cross multiply
    1,173,421,761,167.20x = 1,760,132,641,750.80 × 419,656,457,768.80
  4. Step 4: Simplify right side
    1,173,421,761,167.20x = 738,651,029,640,380,982,231,040
  5. Step 5: Solve for x
    x = 738,651,029,640,380,982,231,040/1,173,421,761,167.20
  6. Step 6: Final answer
    x = 629,484,686,653.20

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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.