Home / 8,661,565,349.37-11,952,640,117.31-4,701,181,986.81

Finding the Fourth Proportional to 8,661,565,349.37, 11,952,640,117.31 and 4,701,181,986.81

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Solution

The fourth proportional to 8,661,565,349.37, 11,952,640,117.31 and 4,701,181,986.81 is: 6,487,457,422.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,565,349.37 : 11,952,640,117.31 = 4,701,181,986.81 : x
  2. Step 2: Convert to fraction form
    8,661,565,349.37/11,952,640,117.31 = 4,701,181,986.81/x
  3. Step 3: Cross multiply
    8,661,565,349.37x = 11,952,640,117.31 × 4,701,181,986.81
  4. Step 4: Simplify right side
    8,661,565,349.37x = 56,191,536,414,296,834,048
  5. Step 5: Solve for x
    x = 56,191,536,414,296,834,048/8,661,565,349.37
  6. Step 6: Final answer
    x = 6,487,457,422.28

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1.5x scale

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.