Home / 3,780,532,129.40-5,661,728,267.70-1,839,567,879.80

Finding the Fourth Proportional to 3,780,532,129.40, 5,661,728,267.70 and 1,839,567,879.80

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Solution

The fourth proportional to 3,780,532,129.40, 5,661,728,267.70 and 1,839,567,879.80 is: 2,754,938,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,532,129.40 : 5,661,728,267.70 = 1,839,567,879.80 : x
  2. Step 2: Convert to fraction form
    3,780,532,129.40/5,661,728,267.70 = 1,839,567,879.80/x
  3. Step 3: Cross multiply
    3,780,532,129.40x = 5,661,728,267.70 × 1,839,567,879.80
  4. Step 4: Simplify right side
    3,780,532,129.40x = 10,415,133,465,416,615,936
  5. Step 5: Solve for x
    x = 10,415,133,465,416,615,936/3,780,532,129.40
  6. Step 6: Final answer
    x = 2,754,938,487.21

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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.