Home / 487,296,032.80-730,944,049.20-414,736,621.60

Finding the Fourth Proportional to 487,296,032.80, 730,944,049.20 and 414,736,621.60

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Solution

The fourth proportional to 487,296,032.80, 730,944,049.20 and 414,736,621.60 is: 622,104,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,296,032.80 : 730,944,049.20 = 414,736,621.60 : x
  2. Step 2: Convert to fraction form
    487,296,032.80/730,944,049.20 = 414,736,621.60/x
  3. Step 3: Cross multiply
    487,296,032.80x = 730,944,049.20 × 414,736,621.60
  4. Step 4: Simplify right side
    487,296,032.80x = 303,149,265,543,832,192
  5. Step 5: Solve for x
    x = 303,149,265,543,832,192/487,296,032.80
  6. Step 6: Final answer
    x = 622,104,932.40

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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.