Home / 416,831,398.32-624,457,896.48-278,239,108.80

Finding the Fourth Proportional to 416,831,398.32, 624,457,896.48 and 278,239,108.80

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Solution

The fourth proportional to 416,831,398.32, 624,457,896.48 and 278,239,108.80 is: 416,831,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,831,398.32 : 624,457,896.48 = 278,239,108.80 : x
  2. Step 2: Convert to fraction form
    416,831,398.32/624,457,896.48 = 278,239,108.80/x
  3. Step 3: Cross multiply
    416,831,398.32x = 624,457,896.48 × 278,239,108.80
  4. Step 4: Simplify right side
    416,831,398.32x = 173,748,608,599,717,856
  5. Step 5: Solve for x
    x = 173,748,608,599,717,856/416,831,398.32
  6. Step 6: Final answer
    x = 416,831,863.67

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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.