Home / 809,001,969.76-1,116,414,770.16-437,715,854.56

Finding the Fourth Proportional to 809,001,969.76, 1,116,414,770.16 and 437,715,854.56

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Solution

The fourth proportional to 809,001,969.76, 1,116,414,770.16 and 437,715,854.56 is: 604,043,578.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,001,969.76 : 1,116,414,770.16 = 437,715,854.56 : x
  2. Step 2: Convert to fraction form
    809,001,969.76/1,116,414,770.16 = 437,715,854.56/x
  3. Step 3: Cross multiply
    809,001,969.76x = 1,116,414,770.16 × 437,715,854.56
  4. Step 4: Simplify right side
    809,001,969.76x = 488,672,445,163,990,400
  5. Step 5: Solve for x
    x = 488,672,445,163,990,400/809,001,969.76
  6. Step 6: Final answer
    x = 604,043,578.92

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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.