Home / 389,382,416.80-584,073,625.20-236,201,437.60

Finding the Fourth Proportional to 389,382,416.80, 584,073,625.20 and 236,201,437.60

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Solution

The fourth proportional to 389,382,416.80, 584,073,625.20 and 236,201,437.60 is: 354,302,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,382,416.80 : 584,073,625.20 = 236,201,437.60 : x
  2. Step 2: Convert to fraction form
    389,382,416.80/584,073,625.20 = 236,201,437.60/x
  3. Step 3: Cross multiply
    389,382,416.80x = 584,073,625.20 × 236,201,437.60
  4. Step 4: Simplify right side
    389,382,416.80x = 137,959,029,936,483,600
  5. Step 5: Solve for x
    x = 137,959,029,936,483,600/389,382,416.80
  6. Step 6: Final answer
    x = 354,302,156.40

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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.