Home / 486,005,026,367.52-728,275,442,409.36-433,040,914,834.56

Finding the Fourth Proportional to 486,005,026,367.52, 728,275,442,409.36 and 433,040,914,834.56

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Solution

The fourth proportional to 486,005,026,367.52, 728,275,442,409.36 and 433,040,914,834.56 is: 648,909,057,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,005,026,367.52 : 728,275,442,409.36 = 433,040,914,834.56 : x
  2. Step 2: Convert to fraction form
    486,005,026,367.52/728,275,442,409.36 = 433,040,914,834.56/x
  3. Step 3: Cross multiply
    486,005,026,367.52x = 728,275,442,409.36 × 433,040,914,834.56
  4. Step 4: Simplify right side
    486,005,026,367.52x = 315,373,063,832,493,168,263,168
  5. Step 5: Solve for x
    x = 315,373,063,832,493,168,263,168/486,005,026,367.52
  6. Step 6: Final answer
    x = 648,909,057,977.53

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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.