Home / 354,364,455.60-531,546,683.40-231,920,449.20

Finding the Fourth Proportional to 354,364,455.60, 531,546,683.40 and 231,920,449.20

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Solution

The fourth proportional to 354,364,455.60, 531,546,683.40 and 231,920,449.20 is: 347,880,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,364,455.60 : 531,546,683.40 = 231,920,449.20 : x
  2. Step 2: Convert to fraction form
    354,364,455.60/531,546,683.40 = 231,920,449.20/x
  3. Step 3: Cross multiply
    354,364,455.60x = 531,546,683.40 × 231,920,449.20
  4. Step 4: Simplify right side
    354,364,455.60x = 123,276,545,584,898,176
  5. Step 5: Solve for x
    x = 123,276,545,584,898,176/354,364,455.60
  6. Step 6: Final answer
    x = 347,880,673.80

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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.