Home / 409,615,412.20-614,635,694.70-179,607,747.40

Finding the Fourth Proportional to 409,615,412.20, 614,635,694.70 and 179,607,747.40

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Solution

The fourth proportional to 409,615,412.20, 614,635,694.70 and 179,607,747.40 is: 269,504,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,615,412.20 : 614,635,694.70 = 179,607,747.40 : x
  2. Step 2: Convert to fraction form
    409,615,412.20/614,635,694.70 = 179,607,747.40/x
  3. Step 3: Cross multiply
    409,615,412.20x = 614,635,694.70 × 179,607,747.40
  4. Step 4: Simplify right side
    409,615,412.20x = 110,393,332,596,701,136
  5. Step 5: Solve for x
    x = 110,393,332,596,701,136/409,615,412.20
  6. Step 6: Final answer
    x = 269,504,831.38

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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.