Home / 868,133,047.80-1,302,199,571.70-704,874,372.60

Finding the Fourth Proportional to 868,133,047.80, 1,302,199,571.70 and 704,874,372.60

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Solution

The fourth proportional to 868,133,047.80, 1,302,199,571.70 and 704,874,372.60 is: 1,057,311,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,133,047.80 : 1,302,199,571.70 = 704,874,372.60 : x
  2. Step 2: Convert to fraction form
    868,133,047.80/1,302,199,571.70 = 704,874,372.60/x
  3. Step 3: Cross multiply
    868,133,047.80x = 1,302,199,571.70 × 704,874,372.60
  4. Step 4: Simplify right side
    868,133,047.80x = 917,887,106,102,026,240
  5. Step 5: Solve for x
    x = 917,887,106,102,026,240/868,133,047.80
  6. Step 6: Final answer
    x = 1,057,311,558.90

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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.