Home / 347,157,297.46-520,735,946.20-164,851,776.82

Finding the Fourth Proportional to 347,157,297.46, 520,735,946.20 and 164,851,776.82

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Solution

The fourth proportional to 347,157,297.46, 520,735,946.20 and 164,851,776.82 is: 247,277,665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,157,297.46 : 520,735,946.20 = 164,851,776.82 : x
  2. Step 2: Convert to fraction form
    347,157,297.46/520,735,946.20 = 164,851,776.82/x
  3. Step 3: Cross multiply
    347,157,297.46x = 520,735,946.20 × 164,851,776.82
  4. Step 4: Simplify right side
    347,157,297.46x = 85,844,245,985,113,920
  5. Step 5: Solve for x
    x = 85,844,245,985,113,920/347,157,297.46
  6. Step 6: Final answer
    x = 247,277,665.23

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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.