Home / 1,905,395,449.25-2,857,776,168.36-577,107,682.34

Finding the Fourth Proportional to 1,905,395,449.25, 2,857,776,168.36 and 577,107,682.34

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Solution

The fourth proportional to 1,905,395,449.25, 2,857,776,168.36 and 577,107,682.34 is: 865,565,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,395,449.25 : 2,857,776,168.36 = 577,107,682.34 : x
  2. Step 2: Convert to fraction form
    1,905,395,449.25/2,857,776,168.36 = 577,107,682.34/x
  3. Step 3: Cross multiply
    1,905,395,449.25x = 2,857,776,168.36 × 577,107,682.34
  4. Step 4: Simplify right side
    1,905,395,449.25x = 1,649,244,581,177,789,952
  5. Step 5: Solve for x
    x = 1,649,244,581,177,789,952/1,905,395,449.25
  6. Step 6: Final answer
    x = 865,565,508.63

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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.