Home / 643,690,057.02-965,679,014.73-234,746,207.52

Finding the Fourth Proportional to 643,690,057.02, 965,679,014.73 and 234,746,207.52

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Solution

The fourth proportional to 643,690,057.02, 965,679,014.73 and 234,746,207.52 is: 352,171,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,690,057.02 : 965,679,014.73 = 234,746,207.52 : x
  2. Step 2: Convert to fraction form
    643,690,057.02/965,679,014.73 = 234,746,207.52/x
  3. Step 3: Cross multiply
    643,690,057.02x = 965,679,014.73 × 234,746,207.52
  4. Step 4: Simplify right side
    643,690,057.02x = 226,689,486,389,517,728
  5. Step 5: Solve for x
    x = 226,689,486,389,517,728/643,690,057.02
  6. Step 6: Final answer
    x = 352,171,800.57

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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.