Home / 1,379,093,048.70-2,068,639,573.05-917,534,571.90

Finding the Fourth Proportional to 1,379,093,048.70, 2,068,639,573.05 and 917,534,571.90

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Solution

The fourth proportional to 1,379,093,048.70, 2,068,639,573.05 and 917,534,571.90 is: 1,376,301,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,093,048.70 : 2,068,639,573.05 = 917,534,571.90 : x
  2. Step 2: Convert to fraction form
    1,379,093,048.70/2,068,639,573.05 = 917,534,571.90/x
  3. Step 3: Cross multiply
    1,379,093,048.70x = 2,068,639,573.05 × 917,534,571.90
  4. Step 4: Simplify right side
    1,379,093,048.70x = 1,898,048,325,073,830,400
  5. Step 5: Solve for x
    x = 1,898,048,325,073,830,400/1,379,093,048.70
  6. Step 6: Final answer
    x = 1,376,301,857.85

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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.