Home / 679,172,054.61-1,018,639,886.70-219,110,224.53

Finding the Fourth Proportional to 679,172,054.61, 1,018,639,886.70 and 219,110,224.53

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Solution

The fourth proportional to 679,172,054.61, 1,018,639,886.70 and 219,110,224.53 is: 328,627,205.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,172,054.61 : 1,018,639,886.70 = 219,110,224.53 : x
  2. Step 2: Convert to fraction form
    679,172,054.61/1,018,639,886.70 = 219,110,224.53/x
  3. Step 3: Cross multiply
    679,172,054.61x = 1,018,639,886.70 × 219,110,224.53
  4. Step 4: Simplify right side
    679,172,054.61x = 223,194,414,284,957,568
  5. Step 5: Solve for x
    x = 223,194,414,284,957,568/679,172,054.61
  6. Step 6: Final answer
    x = 328,627,205.39

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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.