Home / 314,929,074.60-472,393,611.90-308,210,610.60

Finding the Fourth Proportional to 314,929,074.60, 472,393,611.90 and 308,210,610.60

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Solution

The fourth proportional to 314,929,074.60, 472,393,611.90 and 308,210,610.60 is: 462,315,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,074.60 : 472,393,611.90 = 308,210,610.60 : x
  2. Step 2: Convert to fraction form
    314,929,074.60/472,393,611.90 = 308,210,610.60/x
  3. Step 3: Cross multiply
    314,929,074.60x = 472,393,611.90 × 308,210,610.60
  4. Step 4: Simplify right side
    314,929,074.60x = 145,596,723,567,238,432
  5. Step 5: Solve for x
    x = 145,596,723,567,238,432/314,929,074.60
  6. Step 6: Final answer
    x = 462,315,915.90

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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.