Home / 1,277,735,907.96-1,916,412,045.60-404,223,776.37

Finding the Fourth Proportional to 1,277,735,907.96, 1,916,412,045.60 and 404,223,776.37

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Solution

The fourth proportional to 1,277,735,907.96, 1,916,412,045.60 and 404,223,776.37 is: 606,274,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,735,907.96 : 1,916,412,045.60 = 404,223,776.37 : x
  2. Step 2: Convert to fraction form
    1,277,735,907.96/1,916,412,045.60 = 404,223,776.37/x
  3. Step 3: Cross multiply
    1,277,735,907.96x = 1,916,412,045.60 × 404,223,776.37
  4. Step 4: Simplify right side
    1,277,735,907.96x = 774,659,314,153,388,672
  5. Step 5: Solve for x
    x = 774,659,314,153,388,672/1,277,735,907.96
  6. Step 6: Final answer
    x = 606,274,981.65

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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.