Home / 979,869,814.80-1,469,804,722.20-738,005,110.80

Finding the Fourth Proportional to 979,869,814.80, 1,469,804,722.20 and 738,005,110.80

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Solution

The fourth proportional to 979,869,814.80, 1,469,804,722.20 and 738,005,110.80 is: 1,107,007,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,869,814.80 : 1,469,804,722.20 = 738,005,110.80 : x
  2. Step 2: Convert to fraction form
    979,869,814.80/1,469,804,722.20 = 738,005,110.80/x
  3. Step 3: Cross multiply
    979,869,814.80x = 1,469,804,722.20 × 738,005,110.80
  4. Step 4: Simplify right side
    979,869,814.80x = 1,084,723,396,861,574,144
  5. Step 5: Solve for x
    x = 1,084,723,396,861,574,144/979,869,814.80
  6. Step 6: Final answer
    x = 1,107,007,666.20

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1.5x scale

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.