Home / 855,199,238.08-1,180,178,185.44-464,058,662.08

Finding the Fourth Proportional to 855,199,238.08, 1,180,178,185.44 and 464,058,662.08

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Solution

The fourth proportional to 855,199,238.08, 1,180,178,185.44 and 464,058,662.08 is: 640,402,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,199,238.08 : 1,180,178,185.44 = 464,058,662.08 : x
  2. Step 2: Convert to fraction form
    855,199,238.08/1,180,178,185.44 = 464,058,662.08/x
  3. Step 3: Cross multiply
    855,199,238.08x = 1,180,178,185.44 × 464,058,662.08
  4. Step 4: Simplify right side
    855,199,238.08x = 547,671,909,751,288,512
  5. Step 5: Solve for x
    x = 547,671,909,751,288,512/855,199,238.08
  6. Step 6: Final answer
    x = 640,402,710.11

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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.