Home / 624,646,074,743.20-862,029,766,835.76-353,975,435,662.24

Finding the Fourth Proportional to 624,646,074,743.20, 862,029,766,835.76 and 353,975,435,662.24

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Solution

The fourth proportional to 624,646,074,743.20, 862,029,766,835.76 and 353,975,435,662.24 is: 488,496,405,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,646,074,743.20 : 862,029,766,835.76 = 353,975,435,662.24 : x
  2. Step 2: Convert to fraction form
    624,646,074,743.20/862,029,766,835.76 = 353,975,435,662.24/x
  3. Step 3: Cross multiply
    624,646,074,743.20x = 862,029,766,835.76 × 353,975,435,662.24
  4. Step 4: Simplify right side
    624,646,074,743.20x = 305,137,362,269,507,288,039,424
  5. Step 5: Solve for x
    x = 305,137,362,269,507,288,039,424/624,646,074,743.20
  6. Step 6: Final answer
    x = 488,496,405,576.48

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1.5x scale

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.