Home / 822,885,813.87-1,234,449,180.77-386,230,851.87

Finding the Fourth Proportional to 822,885,813.87, 1,234,449,180.77 and 386,230,851.87

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Solution

The fourth proportional to 822,885,813.87, 1,234,449,180.77 and 386,230,851.87 is: 579,402,817.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,885,813.87 : 1,234,449,180.77 = 386,230,851.87 : x
  2. Step 2: Convert to fraction form
    822,885,813.87/1,234,449,180.77 = 386,230,851.87/x
  3. Step 3: Cross multiply
    822,885,813.87x = 1,234,449,180.77 × 386,230,851.87
  4. Step 4: Simplify right side
    822,885,813.87x = 476,782,358,677,089,600
  5. Step 5: Solve for x
    x = 476,782,358,677,089,600/822,885,813.87
  6. Step 6: Final answer
    x = 579,402,817.06

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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.