Home / 855,263,304.10-1,180,263,369.73-464,122,728.10

Finding the Fourth Proportional to 855,263,304.10, 1,180,263,369.73 and 464,122,728.10

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Solution

The fourth proportional to 855,263,304.10, 1,180,263,369.73 and 464,122,728.10 is: 640,489,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,263,304.10 : 1,180,263,369.73 = 464,122,728.10 : x
  2. Step 2: Convert to fraction form
    855,263,304.10/1,180,263,369.73 = 464,122,728.10/x
  3. Step 3: Cross multiply
    855,263,304.10x = 1,180,263,369.73 × 464,122,728.10
  4. Step 4: Simplify right side
    855,263,304.10x = 547,787,055,029,685,312
  5. Step 5: Solve for x
    x = 547,787,055,029,685,312/855,263,304.10
  6. Step 6: Final answer
    x = 640,489,370.24

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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.