Home / 855,439,622.64-1,180,507,552.92-464,299,127.28

Finding the Fourth Proportional to 855,439,622.64, 1,180,507,552.92 and 464,299,127.28

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Solution

The fourth proportional to 855,439,622.64, 1,180,507,552.92 and 464,299,127.28 is: 640,733,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,439,622.64 : 1,180,507,552.92 = 464,299,127.28 : x
  2. Step 2: Convert to fraction form
    855,439,622.64/1,180,507,552.92 = 464,299,127.28/x
  3. Step 3: Cross multiply
    855,439,622.64x = 1,180,507,552.92 × 464,299,127.28
  4. Step 4: Simplify right side
    855,439,622.64x = 548,108,626,568,204,416
  5. Step 5: Solve for x
    x = 548,108,626,568,204,416/855,439,622.64
  6. Step 6: Final answer
    x = 640,733,269.84

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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.