Home / 1,039,921,750.40-1,559,866,879.19-252,982,813.28

Finding the Fourth Proportional to 1,039,921,750.40, 1,559,866,879.19 and 252,982,813.28

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Solution

The fourth proportional to 1,039,921,750.40, 1,559,866,879.19 and 252,982,813.28 is: 379,470,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,921,750.40 : 1,559,866,879.19 = 252,982,813.28 : x
  2. Step 2: Convert to fraction form
    1,039,921,750.40/1,559,866,879.19 = 252,982,813.28/x
  3. Step 3: Cross multiply
    1,039,921,750.40x = 1,559,866,879.19 × 252,982,813.28
  4. Step 4: Simplify right side
    1,039,921,750.40x = 394,619,511,430,715,840
  5. Step 5: Solve for x
    x = 394,619,511,430,715,840/1,039,921,750.40
  6. Step 6: Final answer
    x = 379,470,389.27

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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.