Home / 1,560,820,377.88-2,341,002,670.46-455,128,115.32

Finding the Fourth Proportional to 1,560,820,377.88, 2,341,002,670.46 and 455,128,115.32

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Solution

The fourth proportional to 1,560,820,377.88, 2,341,002,670.46 and 455,128,115.32 is: 682,625,719.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,820,377.88 : 2,341,002,670.46 = 455,128,115.32 : x
  2. Step 2: Convert to fraction form
    1,560,820,377.88/2,341,002,670.46 = 455,128,115.32/x
  3. Step 3: Cross multiply
    1,560,820,377.88x = 2,341,002,670.46 × 455,128,115.32
  4. Step 4: Simplify right side
    1,560,820,377.88x = 1,065,456,133,365,546,880
  5. Step 5: Solve for x
    x = 1,065,456,133,365,546,880/1,560,820,377.88
  6. Step 6: Final answer
    x = 682,625,719.44

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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.