Home / 779,288,467.85-1,075,417,745.83-422,056,260.89

Finding the Fourth Proportional to 779,288,467.85, 1,075,417,745.83 and 422,056,260.89

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Solution

The fourth proportional to 779,288,467.85, 1,075,417,745.83 and 422,056,260.89 is: 582,437,455.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,288,467.85 : 1,075,417,745.83 = 422,056,260.89 : x
  2. Step 2: Convert to fraction form
    779,288,467.85/1,075,417,745.83 = 422,056,260.89/x
  3. Step 3: Cross multiply
    779,288,467.85x = 1,075,417,745.83 × 422,056,260.89
  4. Step 4: Simplify right side
    779,288,467.85x = 453,886,792,701,395,648
  5. Step 5: Solve for x
    x = 453,886,792,701,395,648/779,288,467.85
  6. Step 6: Final answer
    x = 582,437,455.99

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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.