Home / 333,347,681.88-499,915,542.16-311,585,492.78

Finding the Fourth Proportional to 333,347,681.88, 499,915,542.16 and 311,585,492.78

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Solution

The fourth proportional to 333,347,681.88, 499,915,542.16 and 311,585,492.78 is: 467,279,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,347,681.88 : 499,915,542.16 = 311,585,492.78 : x
  2. Step 2: Convert to fraction form
    333,347,681.88/499,915,542.16 = 311,585,492.78/x
  3. Step 3: Cross multiply
    333,347,681.88x = 499,915,542.16 × 311,585,492.78
  4. Step 4: Simplify right side
    333,347,681.88x = 155,766,430,552,069,056
  5. Step 5: Solve for x
    x = 155,766,430,552,069,056/333,347,681.88
  6. Step 6: Final answer
    x = 467,279,177.32

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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.