Home / 1,173,421,760,937.20-1,760,132,641,405.80-419,656,457,538.80

Finding the Fourth Proportional to 1,173,421,760,937.20, 1,760,132,641,405.80 and 419,656,457,538.80

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Solution

The fourth proportional to 1,173,421,760,937.20, 1,760,132,641,405.80 and 419,656,457,538.80 is: 629,484,686,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,421,760,937.20 : 1,760,132,641,405.80 = 419,656,457,538.80 : x
  2. Step 2: Convert to fraction form
    1,173,421,760,937.20/1,760,132,641,405.80 = 419,656,457,538.80/x
  3. Step 3: Cross multiply
    1,173,421,760,937.20x = 1,760,132,641,405.80 × 419,656,457,538.80
  4. Step 4: Simplify right side
    1,173,421,760,937.20x = 738,651,029,090,769,049,747,456
  5. Step 5: Solve for x
    x = 738,651,029,090,769,049,747,456/1,173,421,760,937.20
  6. Step 6: Final answer
    x = 629,484,686,308.20

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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.