Home / 348,186,099.60-521,831,251.80-211,726,630.80

Finding the Fourth Proportional to 348,186,099.60, 521,831,251.80 and 211,726,630.80

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Solution

The fourth proportional to 348,186,099.60, 521,831,251.80 and 211,726,630.80 is: 317,317,586.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,186,099.60 : 521,831,251.80 = 211,726,630.80 : x
  2. Step 2: Convert to fraction form
    348,186,099.60/521,831,251.80 = 211,726,630.80/x
  3. Step 3: Cross multiply
    348,186,099.60x = 521,831,251.80 × 211,726,630.80
  4. Step 4: Simplify right side
    348,186,099.60x = 110,485,572,789,760,448
  5. Step 5: Solve for x
    x = 110,485,572,789,760,448/348,186,099.60
  6. Step 6: Final answer
    x = 317,317,586.53

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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.