Home / 262,725,415.40-394,088,123.10-165,979,533.80

Finding the Fourth Proportional to 262,725,415.40, 394,088,123.10 and 165,979,533.80

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Solution

The fourth proportional to 262,725,415.40, 394,088,123.10 and 165,979,533.80 is: 248,969,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,725,415.40 : 394,088,123.10 = 165,979,533.80 : x
  2. Step 2: Convert to fraction form
    262,725,415.40/394,088,123.10 = 165,979,533.80/x
  3. Step 3: Cross multiply
    262,725,415.40x = 394,088,123.10 × 165,979,533.80
  4. Step 4: Simplify right side
    262,725,415.40x = 65,410,562,948,255,016
  5. Step 5: Solve for x
    x = 65,410,562,948,255,016/262,725,415.40
  6. Step 6: Final answer
    x = 248,969,300.70

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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.