Home / 687,625,930.20-1,029,171,413.70-483,552,586.20

Finding the Fourth Proportional to 687,625,930.20, 1,029,171,413.70 and 483,552,586.20

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Solution

The fourth proportional to 687,625,930.20, 1,029,171,413.70 and 483,552,586.20 is: 723,734,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,625,930.20 : 1,029,171,413.70 = 483,552,586.20 : x
  2. Step 2: Convert to fraction form
    687,625,930.20/1,029,171,413.70 = 483,552,586.20/x
  3. Step 3: Cross multiply
    687,625,930.20x = 1,029,171,413.70 × 483,552,586.20
  4. Step 4: Simplify right side
    687,625,930.20x = 497,658,498,737,745,152
  5. Step 5: Solve for x
    x = 497,658,498,737,745,152/687,625,930.20
  6. Step 6: Final answer
    x = 723,734,339.97

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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.