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Finding the Fourth Proportional to 529,653,178.96, 794,083,951.51 and 365,422,300.25

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Solution

The fourth proportional to 529,653,178.96, 794,083,951.51 and 365,422,300.25 is: 547,860,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,653,178.96 : 794,083,951.51 = 365,422,300.25 : x
  2. Step 2: Convert to fraction form
    529,653,178.96/794,083,951.51 = 365,422,300.25/x
  3. Step 3: Cross multiply
    529,653,178.96x = 794,083,951.51 × 365,422,300.25
  4. Step 4: Simplify right side
    529,653,178.96x = 290,175,984,147,509,696
  5. Step 5: Solve for x
    x = 290,175,984,147,509,696/529,653,178.96
  6. Step 6: Final answer
    x = 547,860,365.38

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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.