Home / 1,420,097,546.70-2,130,146,320.05-800,224,764.30

Finding the Fourth Proportional to 1,420,097,546.70, 2,130,146,320.05 and 800,224,764.30

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Solution

The fourth proportional to 1,420,097,546.70, 2,130,146,320.05 and 800,224,764.30 is: 1,200,337,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,097,546.70 : 2,130,146,320.05 = 800,224,764.30 : x
  2. Step 2: Convert to fraction form
    1,420,097,546.70/2,130,146,320.05 = 800,224,764.30/x
  3. Step 3: Cross multiply
    1,420,097,546.70x = 2,130,146,320.05 × 800,224,764.30
  4. Step 4: Simplify right side
    1,420,097,546.70x = 1,704,595,836,886,523,392
  5. Step 5: Solve for x
    x = 1,704,595,836,886,523,392/1,420,097,546.70
  6. Step 6: Final answer
    x = 1,200,337,146.45

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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.