Home / 505,209,766.20-757,814,649.30-246,590,892.60

Finding the Fourth Proportional to 505,209,766.20, 757,814,649.30 and 246,590,892.60

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Solution

The fourth proportional to 505,209,766.20, 757,814,649.30 and 246,590,892.60 is: 369,886,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,209,766.20 : 757,814,649.30 = 246,590,892.60 : x
  2. Step 2: Convert to fraction form
    505,209,766.20/757,814,649.30 = 246,590,892.60/x
  3. Step 3: Cross multiply
    505,209,766.20x = 757,814,649.30 × 246,590,892.60
  4. Step 4: Simplify right side
    505,209,766.20x = 186,870,190,796,242,944
  5. Step 5: Solve for x
    x = 186,870,190,796,242,944/505,209,766.20
  6. Step 6: Final answer
    x = 369,886,338.90

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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.