Home / 389,885,093.60-584,827,640.40-328,663,090.40

Finding the Fourth Proportional to 389,885,093.60, 584,827,640.40 and 328,663,090.40

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Solution

The fourth proportional to 389,885,093.60, 584,827,640.40 and 328,663,090.40 is: 492,994,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,885,093.60 : 584,827,640.40 = 328,663,090.40 : x
  2. Step 2: Convert to fraction form
    389,885,093.60/584,827,640.40 = 328,663,090.40/x
  3. Step 3: Cross multiply
    389,885,093.60x = 584,827,640.40 × 328,663,090.40
  4. Step 4: Simplify right side
    389,885,093.60x = 192,211,259,645,203,872
  5. Step 5: Solve for x
    x = 192,211,259,645,203,872/389,885,093.60
  6. Step 6: Final answer
    x = 492,994,635.60

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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.