Home / 328,984,286.20-493,665,386.10-124,658,999.80

Finding the Fourth Proportional to 328,984,286.20, 493,665,386.10 and 124,658,999.80

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Solution

The fourth proportional to 328,984,286.20, 493,665,386.10 and 124,658,999.80 is: 187,060,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,984,286.20 : 493,665,386.10 = 124,658,999.80 : x
  2. Step 2: Convert to fraction form
    328,984,286.20/493,665,386.10 = 124,658,999.80/x
  3. Step 3: Cross multiply
    328,984,286.20x = 493,665,386.10 × 124,658,999.80
  4. Step 4: Simplify right side
    328,984,286.20x = 61,539,833,267,106,824
  5. Step 5: Solve for x
    x = 61,539,833,267,106,824/328,984,286.20
  6. Step 6: Final answer
    x = 187,060,099.37

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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.