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Finding the Fourth Proportional to 560,367,906.60, 838,284,378.30 and 492,343,458.60

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Solution

The fourth proportional to 560,367,906.60, 838,284,378.30 and 492,343,458.60 is: 736,522,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,367,906.60 : 838,284,378.30 = 492,343,458.60 : x
  2. Step 2: Convert to fraction form
    560,367,906.60/838,284,378.30 = 492,343,458.60/x
  3. Step 3: Cross multiply
    560,367,906.60x = 838,284,378.30 × 492,343,458.60
  4. Step 4: Simplify right side
    560,367,906.60x = 412,723,830,102,572,800
  5. Step 5: Solve for x
    x = 412,723,830,102,572,800/560,367,906.60
  6. Step 6: Final answer
    x = 736,522,961.51

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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.