Home / 407,107,438.40-610,429,816.20-277,871,484.80

Finding the Fourth Proportional to 407,107,438.40, 610,429,816.20 and 277,871,484.80

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Solution

The fourth proportional to 407,107,438.40, 610,429,816.20 and 277,871,484.80 is: 416,649,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,107,438.40 : 610,429,816.20 = 277,871,484.80 : x
  2. Step 2: Convert to fraction form
    407,107,438.40/610,429,816.20 = 277,871,484.80/x
  3. Step 3: Cross multiply
    407,107,438.40x = 610,429,816.20 × 277,871,484.80
  4. Step 4: Simplify right side
    407,107,438.40x = 169,621,039,393,685,120
  5. Step 5: Solve for x
    x = 169,621,039,393,685,120/407,107,438.40
  6. Step 6: Final answer
    x = 416,649,324.96

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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.