Home / 579,494,815.20-869,242,222.80-349,345,432.80

Finding the Fourth Proportional to 579,494,815.20, 869,242,222.80 and 349,345,432.80

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Solution

The fourth proportional to 579,494,815.20, 869,242,222.80 and 349,345,432.80 is: 524,018,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,494,815.20 : 869,242,222.80 = 349,345,432.80 : x
  2. Step 2: Convert to fraction form
    579,494,815.20/869,242,222.80 = 349,345,432.80/x
  3. Step 3: Cross multiply
    579,494,815.20x = 869,242,222.80 × 349,345,432.80
  4. Step 4: Simplify right side
    579,494,815.20x = 303,665,800,532,100,032
  5. Step 5: Solve for x
    x = 303,665,800,532,100,032/579,494,815.20
  6. Step 6: Final answer
    x = 524,018,149.20

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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.