Home / 1,981,503,012.20-2,972,254,518.30-601,315,305.80

Finding the Fourth Proportional to 1,981,503,012.20, 2,972,254,518.30 and 601,315,305.80

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Solution

The fourth proportional to 1,981,503,012.20, 2,972,254,518.30 and 601,315,305.80 is: 901,972,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,503,012.20 : 2,972,254,518.30 = 601,315,305.80 : x
  2. Step 2: Convert to fraction form
    1,981,503,012.20/2,972,254,518.30 = 601,315,305.80/x
  3. Step 3: Cross multiply
    1,981,503,012.20x = 2,972,254,518.30 × 601,315,305.80
  4. Step 4: Simplify right side
    1,981,503,012.20x = 1,787,262,134,586,996,224
  5. Step 5: Solve for x
    x = 1,787,262,134,586,996,224/1,981,503,012.20
  6. Step 6: Final answer
    x = 901,972,958.70

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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.