Home / 1,265,544,122.20-1,898,316,183.30-538,438,355.80

Finding the Fourth Proportional to 1,265,544,122.20, 1,898,316,183.30 and 538,438,355.80

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Solution

The fourth proportional to 1,265,544,122.20, 1,898,316,183.30 and 538,438,355.80 is: 807,657,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,544,122.20 : 1,898,316,183.30 = 538,438,355.80 : x
  2. Step 2: Convert to fraction form
    1,265,544,122.20/1,898,316,183.30 = 538,438,355.80/x
  3. Step 3: Cross multiply
    1,265,544,122.20x = 1,898,316,183.30 × 538,438,355.80
  4. Step 4: Simplify right side
    1,265,544,122.20x = 1,022,126,244,524,583,296
  5. Step 5: Solve for x
    x = 1,022,126,244,524,583,296/1,265,544,122.20
  6. Step 6: Final answer
    x = 807,657,533.70

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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.