Home / 1,435,395,174-1,980,846,137.16-775,345,458.48

Finding the Fourth Proportional to 1,435,395,174, 1,980,846,137.16 and 775,345,458.48

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Solution

The fourth proportional to 1,435,395,174, 1,980,846,137.16 and 775,345,458.48 is: 1,069,977,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,395,174 : 1,980,846,137.16 = 775,345,458.48 : x
  2. Step 2: Convert to fraction form
    1,435,395,174/1,980,846,137.16 = 775,345,458.48/x
  3. Step 3: Cross multiply
    1,435,395,174x = 1,980,846,137.16 × 775,345,458.48
  4. Step 4: Simplify right side
    1,435,395,174x = 1,535,840,056,394,657,280
  5. Step 5: Solve for x
    x = 1,535,840,056,394,657,280/1,435,395,174
  6. Step 6: Final answer
    x = 1,069,977,163.23

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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.