Home / 629,239,928,164.25-868,349,467,602.85-351,139,575,751.72

Finding the Fourth Proportional to 629,239,928,164.25, 868,349,467,602.85 and 351,139,575,751.72

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Solution

The fourth proportional to 629,239,928,164.25, 868,349,467,602.85 and 351,139,575,751.72 is: 484,571,703,114.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,239,928,164.25 : 868,349,467,602.85 = 351,139,575,751.72 : x
  2. Step 2: Convert to fraction form
    629,239,928,164.25/868,349,467,602.85 = 351,139,575,751.72/x
  3. Step 3: Cross multiply
    629,239,928,164.25x = 868,349,467,602.85 × 351,139,575,751.72
  4. Step 4: Simplify right side
    629,239,928,164.25x = 304,911,863,658,296,616,419,328
  5. Step 5: Solve for x
    x = 304,911,863,658,296,616,419,328/629,239,928,164.25
  6. Step 6: Final answer
    x = 484,571,703,114.66

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Double scale
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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.