Home / 806,997,132.61-1,113,621,634.36-449,745,899.23

Finding the Fourth Proportional to 806,997,132.61, 1,113,621,634.36 and 449,745,899.23

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Solution

The fourth proportional to 806,997,132.61, 1,113,621,634.36 and 449,745,899.23 is: 620,630,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,997,132.61 : 1,113,621,634.36 = 449,745,899.23 : x
  2. Step 2: Convert to fraction form
    806,997,132.61/1,113,621,634.36 = 449,745,899.23/x
  3. Step 3: Cross multiply
    806,997,132.61x = 1,113,621,634.36 × 449,745,899.23
  4. Step 4: Simplify right side
    806,997,132.61x = 500,846,763,347,220,416
  5. Step 5: Solve for x
    x = 500,846,763,347,220,416/806,997,132.61
  6. Step 6: Final answer
    x = 620,630,164.73

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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.