Home / 369,811,512.21-553,836,749.31-214,037,297.76

Finding the Fourth Proportional to 369,811,512.21, 553,836,749.31 and 214,037,297.76

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Solution

The fourth proportional to 369,811,512.21, 553,836,749.31 and 214,037,297.76 is: 320,546,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,811,512.21 : 553,836,749.31 = 214,037,297.76 : x
  2. Step 2: Convert to fraction form
    369,811,512.21/553,836,749.31 = 214,037,297.76/x
  3. Step 3: Cross multiply
    369,811,512.21x = 553,836,749.31 × 214,037,297.76
  4. Step 4: Simplify right side
    369,811,512.21x = 118,541,721,222,494,928
  5. Step 5: Solve for x
    x = 118,541,721,222,494,928/369,811,512.21
  6. Step 6: Final answer
    x = 320,546,325.11

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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.