Home / 1,173,421,761,175.20-1,760,132,641,762.80-419,656,457,776.80

Finding the Fourth Proportional to 1,173,421,761,175.20, 1,760,132,641,762.80 and 419,656,457,776.80

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Solution

The fourth proportional to 1,173,421,761,175.20, 1,760,132,641,762.80 and 419,656,457,776.80 is: 629,484,686,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,421,761,175.20 : 1,760,132,641,762.80 = 419,656,457,776.80 : x
  2. Step 2: Convert to fraction form
    1,173,421,761,175.20/1,760,132,641,762.80 = 419,656,457,776.80/x
  3. Step 3: Cross multiply
    1,173,421,761,175.20x = 1,760,132,641,762.80 × 419,656,457,776.80
  4. Step 4: Simplify right side
    1,173,421,761,175.20x = 738,651,029,659,497,881,665,536
  5. Step 5: Solve for x
    x = 738,651,029,659,497,881,665,536/1,173,421,761,175.20
  6. Step 6: Final answer
    x = 629,484,686,665.20

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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.