Home / 774,946,050.57-1,069,433,896.55-422,519,165.37

Finding the Fourth Proportional to 774,946,050.57, 1,069,433,896.55 and 422,519,165.37

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Solution

The fourth proportional to 774,946,050.57, 1,069,433,896.55 and 422,519,165.37 is: 583,080,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,946,050.57 : 1,069,433,896.55 = 422,519,165.37 : x
  2. Step 2: Convert to fraction form
    774,946,050.57/1,069,433,896.55 = 422,519,165.37/x
  3. Step 3: Cross multiply
    774,946,050.57x = 1,069,433,896.55 × 422,519,165.37
  4. Step 4: Simplify right side
    774,946,050.57x = 451,856,317,386,580,288
  5. Step 5: Solve for x
    x = 451,856,317,386,580,288/774,946,050.57
  6. Step 6: Final answer
    x = 583,080,999.06

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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.