Home / 1,151,783,999.40-1,727,675,999.10-738,535,477.80

Finding the Fourth Proportional to 1,151,783,999.40, 1,727,675,999.10 and 738,535,477.80

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Solution

The fourth proportional to 1,151,783,999.40, 1,727,675,999.10 and 738,535,477.80 is: 1,107,803,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,783,999.40 : 1,727,675,999.10 = 738,535,477.80 : x
  2. Step 2: Convert to fraction form
    1,151,783,999.40/1,727,675,999.10 = 738,535,477.80/x
  3. Step 3: Cross multiply
    1,151,783,999.40x = 1,727,675,999.10 × 738,535,477.80
  4. Step 4: Simplify right side
    1,151,783,999.40x = 1,275,950,019,478,910,720
  5. Step 5: Solve for x
    x = 1,275,950,019,478,910,720/1,151,783,999.40
  6. Step 6: Final answer
    x = 1,107,803,216.70

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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.