Home / 384,906,921.20-577,360,381.80-362,232,105.20

Finding the Fourth Proportional to 384,906,921.20, 577,360,381.80 and 362,232,105.20

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Solution

The fourth proportional to 384,906,921.20, 577,360,381.80 and 362,232,105.20 is: 543,348,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,906,921.20 : 577,360,381.80 = 362,232,105.20 : x
  2. Step 2: Convert to fraction form
    384,906,921.20/577,360,381.80 = 362,232,105.20/x
  3. Step 3: Cross multiply
    384,906,921.20x = 577,360,381.80 × 362,232,105.20
  4. Step 4: Simplify right side
    384,906,921.20x = 209,138,466,558,489,728
  5. Step 5: Solve for x
    x = 209,138,466,558,489,728/384,906,921.20
  6. Step 6: Final answer
    x = 543,348,157.80

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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.