Home / 664,332,703.20-996,499,054.80-276,026,479.20

Finding the Fourth Proportional to 664,332,703.20, 996,499,054.80 and 276,026,479.20

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Solution

The fourth proportional to 664,332,703.20, 996,499,054.80 and 276,026,479.20 is: 414,039,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,332,703.20 : 996,499,054.80 = 276,026,479.20 : x
  2. Step 2: Convert to fraction form
    664,332,703.20/996,499,054.80 = 276,026,479.20/x
  3. Step 3: Cross multiply
    664,332,703.20x = 996,499,054.80 × 276,026,479.20
  4. Step 4: Simplify right side
    664,332,703.20x = 275,060,125,622,571,840
  5. Step 5: Solve for x
    x = 275,060,125,622,571,840/664,332,703.20
  6. Step 6: Final answer
    x = 414,039,718.80

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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.