Home / 383,624,405.63-529,400,684.03-214,076,865.67

Finding the Fourth Proportional to 383,624,405.63, 529,400,684.03 and 214,076,865.67

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Solution

The fourth proportional to 383,624,405.63, 529,400,684.03 and 214,076,865.67 is: 295,425,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,624,405.63 : 529,400,684.03 = 214,076,865.67 : x
  2. Step 2: Convert to fraction form
    383,624,405.63/529,400,684.03 = 214,076,865.67/x
  3. Step 3: Cross multiply
    383,624,405.63x = 529,400,684.03 × 214,076,865.67
  4. Step 4: Simplify right side
    383,624,405.63x = 113,332,439,116,979,024
  5. Step 5: Solve for x
    x = 113,332,439,116,979,024/383,624,405.63
  6. Step 6: Final answer
    x = 295,425,518.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.