Home / 819,146,978.14-1,229,594,841.24-353,038,431.46

Finding the Fourth Proportional to 819,146,978.14, 1,229,594,841.24 and 353,038,431.46

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Solution

The fourth proportional to 819,146,978.14, 1,229,594,841.24 and 353,038,431.46 is: 529,934,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,146,978.14 : 1,229,594,841.24 = 353,038,431.46 : x
  2. Step 2: Convert to fraction form
    819,146,978.14/1,229,594,841.24 = 353,038,431.46/x
  3. Step 3: Cross multiply
    819,146,978.14x = 1,229,594,841.24 × 353,038,431.46
  4. Step 4: Simplify right side
    819,146,978.14x = 434,094,234,082,677,312
  5. Step 5: Solve for x
    x = 434,094,234,082,677,312/819,146,978.14
  6. Step 6: Final answer
    x = 529,934,487.54

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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.