Home / 874,502,608.39-1,311,753,912.67-292,236,853.94

Finding the Fourth Proportional to 874,502,608.39, 1,311,753,912.67 and 292,236,853.94

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Solution

The fourth proportional to 874,502,608.39, 1,311,753,912.67 and 292,236,853.94 is: 438,355,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,502,608.39 : 1,311,753,912.67 = 292,236,853.94 : x
  2. Step 2: Convert to fraction form
    874,502,608.39/1,311,753,912.67 = 292,236,853.94/x
  3. Step 3: Cross multiply
    874,502,608.39x = 1,311,753,912.67 × 292,236,853.94
  4. Step 4: Simplify right side
    874,502,608.39x = 383,342,836,575,607,552
  5. Step 5: Solve for x
    x = 383,342,836,575,607,552/874,502,608.39
  6. Step 6: Final answer
    x = 438,355,280.93

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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.