Home / 555,678,141.94-834,553,584.90-489,228,129.37

Finding the Fourth Proportional to 555,678,141.94, 834,553,584.90 and 489,228,129.37

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Solution

The fourth proportional to 555,678,141.94, 834,553,584.90 and 489,228,129.37 is: 734,754,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,678,141.94 : 834,553,584.90 = 489,228,129.37 : x
  2. Step 2: Convert to fraction form
    555,678,141.94/834,553,584.90 = 489,228,129.37/x
  3. Step 3: Cross multiply
    555,678,141.94x = 834,553,584.90 × 489,228,129.37
  4. Step 4: Simplify right side
    555,678,141.94x = 408,287,089,197,208,320
  5. Step 5: Solve for x
    x = 408,287,089,197,208,320/555,678,141.94
  6. Step 6: Final answer
    x = 734,754,632.91

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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.