Home / 416,697,894.37-625,046,513.20-125,565,020.56

Finding the Fourth Proportional to 416,697,894.37, 625,046,513.20 and 125,565,020.56

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Solution

The fourth proportional to 416,697,894.37, 625,046,513.20 and 125,565,020.56 is: 188,347,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,697,894.37 : 625,046,513.20 = 125,565,020.56 : x
  2. Step 2: Convert to fraction form
    416,697,894.37/625,046,513.20 = 125,565,020.56/x
  3. Step 3: Cross multiply
    416,697,894.37x = 625,046,513.20 × 125,565,020.56
  4. Step 4: Simplify right side
    416,697,894.37x = 78,483,978,279,037,792
  5. Step 5: Solve for x
    x = 78,483,978,279,037,792/416,697,894.37
  6. Step 6: Final answer
    x = 188,347,431.89

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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.