Home / 519,953,239.16-779,929,811.39-228,820,361.85

Finding the Fourth Proportional to 519,953,239.16, 779,929,811.39 and 228,820,361.85

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Solution

The fourth proportional to 519,953,239.16, 779,929,811.39 and 228,820,361.85 is: 343,230,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,953,239.16 : 779,929,811.39 = 228,820,361.85 : x
  2. Step 2: Convert to fraction form
    519,953,239.16/779,929,811.39 = 228,820,361.85/x
  3. Step 3: Cross multiply
    519,953,239.16x = 779,929,811.39 × 228,820,361.85
  4. Step 4: Simplify right side
    519,953,239.16x = 178,463,821,658,717,952
  5. Step 5: Solve for x
    x = 178,463,821,658,717,952/519,953,239.16
  6. Step 6: Final answer
    x = 343,230,521.94

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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.