Home / 807,498,243.70-1,211,247,365.55-262,294,890.10

Finding the Fourth Proportional to 807,498,243.70, 1,211,247,365.55 and 262,294,890.10

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Solution

The fourth proportional to 807,498,243.70, 1,211,247,365.55 and 262,294,890.10 is: 393,442,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,498,243.70 : 1,211,247,365.55 = 262,294,890.10 : x
  2. Step 2: Convert to fraction form
    807,498,243.70/1,211,247,365.55 = 262,294,890.10/x
  3. Step 3: Cross multiply
    807,498,243.70x = 1,211,247,365.55 × 262,294,890.10
  4. Step 4: Simplify right side
    807,498,243.70x = 317,703,994,630,851,776
  5. Step 5: Solve for x
    x = 317,703,994,630,851,776/807,498,243.70
  6. Step 6: Final answer
    x = 393,442,335.15

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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.