Home / 643,690,057.52-965,679,015.48-234,746,208.02

Finding the Fourth Proportional to 643,690,057.52, 965,679,015.48 and 234,746,208.02

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Solution

The fourth proportional to 643,690,057.52, 965,679,015.48 and 234,746,208.02 is: 352,171,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,690,057.52 : 965,679,015.48 = 234,746,208.02 : x
  2. Step 2: Convert to fraction form
    643,690,057.52/965,679,015.48 = 234,746,208.02/x
  3. Step 3: Cross multiply
    643,690,057.52x = 965,679,015.48 × 234,746,208.02
  4. Step 4: Simplify right side
    643,690,057.52x = 226,689,487,043,588,480
  5. Step 5: Solve for x
    x = 226,689,487,043,588,480/643,690,057.52
  6. Step 6: Final answer
    x = 352,171,801.31

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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.