Home / 641,178,245.88-884,827,682.82-347,822,813.88

Finding the Fourth Proportional to 641,178,245.88, 884,827,682.82 and 347,822,813.88

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Solution

The fourth proportional to 641,178,245.88, 884,827,682.82 and 347,822,813.88 is: 479,996,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,178,245.88 : 884,827,682.82 = 347,822,813.88 : x
  2. Step 2: Convert to fraction form
    641,178,245.88/884,827,682.82 = 347,822,813.88/x
  3. Step 3: Cross multiply
    641,178,245.88x = 884,827,682.82 × 347,822,813.88
  4. Step 4: Simplify right side
    641,178,245.88x = 307,763,254,437,372,544
  5. Step 5: Solve for x
    x = 307,763,254,437,372,544/641,178,245.88
  6. Step 6: Final answer
    x = 479,996,407.26

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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.