Home / 475,245,842.60-712,994,735.10-168,505,970.60

Finding the Fourth Proportional to 475,245,842.60, 712,994,735.10 and 168,505,970.60

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Solution

The fourth proportional to 475,245,842.60, 712,994,735.10 and 168,505,970.60 is: 252,803,620.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,245,842.60 : 712,994,735.10 = 168,505,970.60 : x
  2. Step 2: Convert to fraction form
    475,245,842.60/712,994,735.10 = 168,505,970.60/x
  3. Step 3: Cross multiply
    475,245,842.60x = 712,994,735.10 × 168,505,970.60
  4. Step 4: Simplify right side
    475,245,842.60x = 120,143,869,870,715,392
  5. Step 5: Solve for x
    x = 120,143,869,870,715,392/475,245,842.60
  6. Step 6: Final answer
    x = 252,803,620.99

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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.