Home / 848,384,384.70-1,170,752,100.57-491,167,225.47

Finding the Fourth Proportional to 848,384,384.70, 1,170,752,100.57 and 491,167,225.47

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Solution

The fourth proportional to 848,384,384.70, 1,170,752,100.57 and 491,167,225.47 is: 677,800,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,384,384.70 : 1,170,752,100.57 = 491,167,225.47 : x
  2. Step 2: Convert to fraction form
    848,384,384.70/1,170,752,100.57 = 491,167,225.47/x
  3. Step 3: Cross multiply
    848,384,384.70x = 1,170,752,100.57 × 491,167,225.47
  4. Step 4: Simplify right side
    848,384,384.70x = 575,035,060,950,141,312
  5. Step 5: Solve for x
    x = 575,035,060,950,141,312/848,384,384.70
  6. Step 6: Final answer
    x = 677,800,147.34

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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.