Home / 866,585,187.36-1,195,887,558.67-495,315,190.35

Finding the Fourth Proportional to 866,585,187.36, 1,195,887,558.67 and 495,315,190.35

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Solution

The fourth proportional to 866,585,187.36, 1,195,887,558.67 and 495,315,190.35 is: 683,534,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,585,187.36 : 1,195,887,558.67 = 495,315,190.35 : x
  2. Step 2: Convert to fraction form
    866,585,187.36/1,195,887,558.67 = 495,315,190.35/x
  3. Step 3: Cross multiply
    866,585,187.36x = 1,195,887,558.67 × 495,315,190.35
  4. Step 4: Simplify right side
    866,585,187.36x = 592,341,273,758,589,568
  5. Step 5: Solve for x
    x = 592,341,273,758,589,568/866,585,187.36
  6. Step 6: Final answer
    x = 683,534,962.75

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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.