Home / 412,105,032.20-618,157,548.30-400,161,096.20

Finding the Fourth Proportional to 412,105,032.20, 618,157,548.30 and 400,161,096.20

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Solution

The fourth proportional to 412,105,032.20, 618,157,548.30 and 400,161,096.20 is: 600,241,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,105,032.20 : 618,157,548.30 = 400,161,096.20 : x
  2. Step 2: Convert to fraction form
    412,105,032.20/618,157,548.30 = 400,161,096.20/x
  3. Step 3: Cross multiply
    412,105,032.20x = 618,157,548.30 × 400,161,096.20
  4. Step 4: Simplify right side
    412,105,032.20x = 247,362,602,152,032,416
  5. Step 5: Solve for x
    x = 247,362,602,152,032,416/412,105,032.20
  6. Step 6: Final answer
    x = 600,241,644.30

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Similar ratio
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1.5x scale

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.