Home / 348,186,097.60-521,831,248.80-211,726,628.80

Finding the Fourth Proportional to 348,186,097.60, 521,831,248.80 and 211,726,628.80

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Solution

The fourth proportional to 348,186,097.60, 521,831,248.80 and 211,726,628.80 is: 317,317,583.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,186,097.60 : 521,831,248.80 = 211,726,628.80 : x
  2. Step 2: Convert to fraction form
    348,186,097.60/521,831,248.80 = 211,726,628.80/x
  3. Step 3: Cross multiply
    348,186,097.60x = 521,831,248.80 × 211,726,628.80
  4. Step 4: Simplify right side
    348,186,097.60x = 110,485,571,110,918,048
  5. Step 5: Solve for x
    x = 110,485,571,110,918,048/348,186,097.60
  6. Step 6: Final answer
    x = 317,317,583.54

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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.