Home / 859,782,903.84-1,289,751,805.68-277,530,953.76

Finding the Fourth Proportional to 859,782,903.84, 1,289,751,805.68 and 277,530,953.76

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Solution

The fourth proportional to 859,782,903.84, 1,289,751,805.68 and 277,530,953.76 is: 416,321,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,782,903.84 : 1,289,751,805.68 = 277,530,953.76 : x
  2. Step 2: Convert to fraction form
    859,782,903.84/1,289,751,805.68 = 277,530,953.76/x
  3. Step 3: Cross multiply
    859,782,903.84x = 1,289,751,805.68 × 277,530,953.76
  4. Step 4: Simplify right side
    859,782,903.84x = 357,946,048,744,052,608
  5. Step 5: Solve for x
    x = 357,946,048,744,052,608/859,782,903.84
  6. Step 6: Final answer
    x = 416,321,430.85

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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.