Home / 368,907,484.66-509,091,897.44-201,644,844.38

Finding the Fourth Proportional to 368,907,484.66, 509,091,897.44 and 201,644,844.38

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Solution

The fourth proportional to 368,907,484.66, 509,091,897.44 and 201,644,844.38 is: 278,269,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,907,484.66 : 509,091,897.44 = 201,644,844.38 : x
  2. Step 2: Convert to fraction form
    368,907,484.66/509,091,897.44 = 201,644,844.38/x
  3. Step 3: Cross multiply
    368,907,484.66x = 509,091,897.44 × 201,644,844.38
  4. Step 4: Simplify right side
    368,907,484.66x = 102,655,756,434,407,712
  5. Step 5: Solve for x
    x = 102,655,756,434,407,712/368,907,484.66
  6. Step 6: Final answer
    x = 278,269,649.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.