Home / 690,444,558.38-1,036,075,442.97-254,051,698.31

Finding the Fourth Proportional to 690,444,558.38, 1,036,075,442.97 and 254,051,698.31

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Solution

The fourth proportional to 690,444,558.38, 1,036,075,442.97 and 254,051,698.31 is: 381,227,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,444,558.38 : 1,036,075,442.97 = 254,051,698.31 : x
  2. Step 2: Convert to fraction form
    690,444,558.38/1,036,075,442.97 = 254,051,698.31/x
  3. Step 3: Cross multiply
    690,444,558.38x = 1,036,075,442.97 × 254,051,698.31
  4. Step 4: Simplify right side
    690,444,558.38x = 263,216,725,858,633,696
  5. Step 5: Solve for x
    x = 263,216,725,858,633,696/690,444,558.38
  6. Step 6: Final answer
    x = 381,227,895.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.