Home / 1,879,239,319.12-2,818,829,118.84-461,151,660.88

Finding the Fourth Proportional to 1,879,239,319.12, 2,818,829,118.84 and 461,151,660.88

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Solution

The fourth proportional to 1,879,239,319.12, 2,818,829,118.84 and 461,151,660.88 is: 691,720,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,239,319.12 : 2,818,829,118.84 = 461,151,660.88 : x
  2. Step 2: Convert to fraction form
    1,879,239,319.12/2,818,829,118.84 = 461,151,660.88/x
  3. Step 3: Cross multiply
    1,879,239,319.12x = 2,818,829,118.84 × 461,151,660.88
  4. Step 4: Simplify right side
    1,879,239,319.12x = 1,299,907,729,889,972,992
  5. Step 5: Solve for x
    x = 1,299,907,729,889,972,992/1,879,239,319.12
  6. Step 6: Final answer
    x = 691,720,163.93

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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.