Home / 312,099,883.20-468,149,824.80-292,968,007.20

Finding the Fourth Proportional to 312,099,883.20, 468,149,824.80 and 292,968,007.20

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Solution

The fourth proportional to 312,099,883.20, 468,149,824.80 and 292,968,007.20 is: 439,452,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,099,883.20 : 468,149,824.80 = 292,968,007.20 : x
  2. Step 2: Convert to fraction form
    312,099,883.20/468,149,824.80 = 292,968,007.20/x
  3. Step 3: Cross multiply
    312,099,883.20x = 468,149,824.80 × 292,968,007.20
  4. Step 4: Simplify right side
    312,099,883.20x = 137,152,921,242,685,136
  5. Step 5: Solve for x
    x = 137,152,921,242,685,136/312,099,883.20
  6. Step 6: Final answer
    x = 439,452,010.80

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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.