Home / 912,085,955.52-1,368,109,765.44-221,997,059.52

Finding the Fourth Proportional to 912,085,955.52, 1,368,109,765.44 and 221,997,059.52

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Solution

The fourth proportional to 912,085,955.52, 1,368,109,765.44 and 221,997,059.52 is: 332,990,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,085,955.52 : 1,368,109,765.44 = 221,997,059.52 : x
  2. Step 2: Convert to fraction form
    912,085,955.52/1,368,109,765.44 = 221,997,059.52/x
  3. Step 3: Cross multiply
    912,085,955.52x = 1,368,109,765.44 × 221,997,059.52
  4. Step 4: Simplify right side
    912,085,955.52x = 303,716,345,028,276,928
  5. Step 5: Solve for x
    x = 303,716,345,028,276,928/912,085,955.52
  6. Step 6: Final answer
    x = 332,990,923.93

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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.