Home / 842,770,563.75-1,163,014,811.82-466,427,883.42

Finding the Fourth Proportional to 842,770,563.75, 1,163,014,811.82 and 466,427,883.42

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Solution

The fourth proportional to 842,770,563.75, 1,163,014,811.82 and 466,427,883.42 is: 643,665,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,770,563.75 : 1,163,014,811.82 = 466,427,883.42 : x
  2. Step 2: Convert to fraction form
    842,770,563.75/1,163,014,811.82 = 466,427,883.42/x
  3. Step 3: Cross multiply
    842,770,563.75x = 1,163,014,811.82 × 466,427,883.42
  4. Step 4: Simplify right side
    842,770,563.75x = 542,462,537,063,312,192
  5. Step 5: Solve for x
    x = 542,462,537,063,312,192/842,770,563.75
  6. Step 6: Final answer
    x = 643,665,738.22

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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.