Home / 629,239,928,162.76-868,349,467,600.74-351,139,575,750.22

Finding the Fourth Proportional to 629,239,928,162.76, 868,349,467,600.74 and 351,139,575,750.22

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Solution

The fourth proportional to 629,239,928,162.76, 868,349,467,600.74 and 351,139,575,750.22 is: 484,571,703,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,239,928,162.76 : 868,349,467,600.74 = 351,139,575,750.22 : x
  2. Step 2: Convert to fraction form
    629,239,928,162.76/868,349,467,600.74 = 351,139,575,750.22/x
  3. Step 3: Cross multiply
    629,239,928,162.76x = 868,349,467,600.74 × 351,139,575,750.22
  4. Step 4: Simplify right side
    629,239,928,162.76x = 304,911,863,656,253,218,619,392
  5. Step 5: Solve for x
    x = 304,911,863,656,253,218,619,392/629,239,928,162.76
  6. Step 6: Final answer
    x = 484,571,703,112.56

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Double scale
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1.5x scale

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.