Home / 643,462,918.80-965,446,320.60-234,560,403.60

Finding the Fourth Proportional to 643,462,918.80, 965,446,320.60 and 234,560,403.60

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Solution

The fourth proportional to 643,462,918.80, 965,446,320.60 and 234,560,403.60 is: 351,932,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,462,918.80 : 965,446,320.60 = 234,560,403.60 : x
  2. Step 2: Convert to fraction form
    643,462,918.80/965,446,320.60 = 234,560,403.60/x
  3. Step 3: Cross multiply
    643,462,918.80x = 965,446,320.60 × 234,560,403.60
  4. Step 4: Simplify right side
    643,462,918.80x = 226,455,478,614,071,008
  5. Step 5: Solve for x
    x = 226,455,478,614,071,008/643,462,918.80
  6. Step 6: Final answer
    x = 351,932,445.52

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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.