Home / 368,721,511.83-508,829,747.54-201,454,180.45

Finding the Fourth Proportional to 368,721,511.83, 508,829,747.54 and 201,454,180.45

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Solution

The fourth proportional to 368,721,511.83, 508,829,747.54 and 201,454,180.45 is: 278,003,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,721,511.83 : 508,829,747.54 = 201,454,180.45 : x
  2. Step 2: Convert to fraction form
    368,721,511.83/508,829,747.54 = 201,454,180.45/x
  3. Step 3: Cross multiply
    368,721,511.83x = 508,829,747.54 × 201,454,180.45
  4. Step 4: Simplify right side
    368,721,511.83x = 102,505,879,776,971,760
  5. Step 5: Solve for x
    x = 102,505,879,776,971,760/368,721,511.83
  6. Step 6: Final answer
    x = 278,003,524.31

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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.