Home / 2,759,392,124.80-4,139,088,187.20-1,379,419,619.20

Finding the Fourth Proportional to 2,759,392,124.80, 4,139,088,187.20 and 1,379,419,619.20

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Solution

The fourth proportional to 2,759,392,124.80, 4,139,088,187.20 and 1,379,419,619.20 is: 2,069,129,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,392,124.80 : 4,139,088,187.20 = 1,379,419,619.20 : x
  2. Step 2: Convert to fraction form
    2,759,392,124.80/4,139,088,187.20 = 1,379,419,619.20/x
  3. Step 3: Cross multiply
    2,759,392,124.80x = 4,139,088,187.20 × 1,379,419,619.20
  4. Step 4: Simplify right side
    2,759,392,124.80x = 5,709,539,451,022,642,176
  5. Step 5: Solve for x
    x = 5,709,539,451,022,642,176/2,759,392,124.80
  6. Step 6: Final answer
    x = 2,069,129,428.80

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1.5x scale

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.