Home / 873,420,340.44-1,309,692,410.76-290,949,807

Finding the Fourth Proportional to 873,420,340.44, 1,309,692,410.76 and 290,949,807

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Solution

The fourth proportional to 873,420,340.44, 1,309,692,410.76 and 290,949,807 is: 436,278,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,420,340.44 : 1,309,692,410.76 = 290,949,807 : x
  2. Step 2: Convert to fraction form
    873,420,340.44/1,309,692,410.76 = 290,949,807/x
  3. Step 3: Cross multiply
    873,420,340.44x = 1,309,692,410.76 × 290,949,807
  4. Step 4: Simplify right side
    873,420,340.44x = 381,054,754,139,986,752
  5. Step 5: Solve for x
    x = 381,054,754,139,986,752/873,420,340.44
  6. Step 6: Final answer
    x = 436,278,772.66

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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.