Home / 1,173,421,760,999.70-1,760,132,641,499.50-419,656,457,601.30

Finding the Fourth Proportional to 1,173,421,760,999.70, 1,760,132,641,499.50 and 419,656,457,601.30

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Solution

The fourth proportional to 1,173,421,760,999.70, 1,760,132,641,499.50 and 419,656,457,601.30 is: 629,484,686,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,421,760,999.70 : 1,760,132,641,499.50 = 419,656,457,601.30 : x
  2. Step 2: Convert to fraction form
    1,173,421,760,999.70/1,760,132,641,499.50 = 419,656,457,601.30/x
  3. Step 3: Cross multiply
    1,173,421,760,999.70x = 1,760,132,641,499.50 × 419,656,457,601.30
  4. Step 4: Simplify right side
    1,173,421,760,999.70x = 738,651,029,240,099,022,831,616
  5. Step 5: Solve for x
    x = 738,651,029,240,099,022,831,616/1,173,421,760,999.70
  6. Step 6: Final answer
    x = 629,484,686,401.93

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Double scale
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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.