Home / 355,644,842.20-532,459,493.70-319,365,136.60

Finding the Fourth Proportional to 355,644,842.20, 532,459,493.70 and 319,365,136.60

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Solution

The fourth proportional to 355,644,842.20, 532,459,493.70 and 319,365,136.60 is: 478,142,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,644,842.20 : 532,459,493.70 = 319,365,136.60 : x
  2. Step 2: Convert to fraction form
    355,644,842.20/532,459,493.70 = 319,365,136.60/x
  3. Step 3: Cross multiply
    355,644,842.20x = 532,459,493.70 × 319,365,136.60
  4. Step 4: Simplify right side
    355,644,842.20x = 170,048,998,939,467,360
  5. Step 5: Solve for x
    x = 170,048,998,939,467,360/355,644,842.20
  6. Step 6: Final answer
    x = 478,142,738.94

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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.