Home / 475,749,743.20-713,624,614.80-443,464,702.45

Finding the Fourth Proportional to 475,749,743.20, 713,624,614.80 and 443,464,702.45

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Solution

The fourth proportional to 475,749,743.20, 713,624,614.80 and 443,464,702.45 is: 665,197,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,749,743.20 : 713,624,614.80 = 443,464,702.45 : x
  2. Step 2: Convert to fraction form
    475,749,743.20/713,624,614.80 = 443,464,702.45/x
  3. Step 3: Cross multiply
    475,749,743.20x = 713,624,614.80 × 443,464,702.45
  4. Step 4: Simplify right side
    475,749,743.20x = 316,467,327,463,277,824
  5. Step 5: Solve for x
    x = 316,467,327,463,277,824/475,749,743.20
  6. Step 6: Final answer
    x = 665,197,053.68

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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.