Home / 352,764,741.27-486,842,611.78-211,641,272.63

Finding the Fourth Proportional to 352,764,741.27, 486,842,611.78 and 211,641,272.63

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Solution

The fourth proportional to 352,764,741.27, 486,842,611.78 and 211,641,272.63 is: 292,081,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,764,741.27 : 486,842,611.78 = 211,641,272.63 : x
  2. Step 2: Convert to fraction form
    352,764,741.27/486,842,611.78 = 211,641,272.63/x
  3. Step 3: Cross multiply
    352,764,741.27x = 486,842,611.78 × 211,641,272.63
  4. Step 4: Simplify right side
    352,764,741.27x = 103,035,989,927,632,224
  5. Step 5: Solve for x
    x = 103,035,989,927,632,224/352,764,741.27
  6. Step 6: Final answer
    x = 292,081,316.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.