Home / 443,232,002.70-664,848,004.05-295,278,828.30

Finding the Fourth Proportional to 443,232,002.70, 664,848,004.05 and 295,278,828.30

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Solution

The fourth proportional to 443,232,002.70, 664,848,004.05 and 295,278,828.30 is: 442,918,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,002.70 : 664,848,004.05 = 295,278,828.30 : x
  2. Step 2: Convert to fraction form
    443,232,002.70/664,848,004.05 = 295,278,828.30/x
  3. Step 3: Cross multiply
    443,232,002.70x = 664,848,004.05 × 295,278,828.30
  4. Step 4: Simplify right side
    443,232,002.70x = 196,315,539,633,477,664
  5. Step 5: Solve for x
    x = 196,315,539,633,477,664/443,232,002.70
  6. Step 6: Final answer
    x = 442,918,242.45

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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.