Home / 1,435,395,223-1,980,846,204.84-775,345,507.48

Finding the Fourth Proportional to 1,435,395,223, 1,980,846,204.84 and 775,345,507.48

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Solution

The fourth proportional to 1,435,395,223, 1,980,846,204.84 and 775,345,507.48 is: 1,069,977,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,395,223 : 1,980,846,204.84 = 775,345,507.48 : x
  2. Step 2: Convert to fraction form
    1,435,395,223/1,980,846,204.84 = 775,345,507.48/x
  3. Step 3: Cross multiply
    1,435,395,223x = 1,980,846,204.84 × 775,345,507.48
  4. Step 4: Simplify right side
    1,435,395,223x = 1,535,840,205,931,501,824
  5. Step 5: Solve for x
    x = 1,535,840,205,931,501,824/1,435,395,223
  6. Step 6: Final answer
    x = 1,069,977,230.89

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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.