Home / 498,100,850.55-747,470,140.43-290,838,860.55

Finding the Fourth Proportional to 498,100,850.55, 747,470,140.43 and 290,838,860.55

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Solution

The fourth proportional to 498,100,850.55, 747,470,140.43 and 290,838,860.55 is: 436,444,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,100,850.55 : 747,470,140.43 = 290,838,860.55 : x
  2. Step 2: Convert to fraction form
    498,100,850.55/747,470,140.43 = 290,838,860.55/x
  3. Step 3: Cross multiply
    498,100,850.55x = 747,470,140.43 × 290,838,860.55
  4. Step 4: Simplify right side
    498,100,850.55x = 217,393,363,936,355,488
  5. Step 5: Solve for x
    x = 217,393,363,936,355,488/498,100,850.55
  6. Step 6: Final answer
    x = 436,444,474.44

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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.