Finding the Fourth Proportional to 13,554,056,166.12, 18,698,795,425.17 and 8,464,584,340.62
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Solution
The fourth proportional to 13,554,056,166.12, 18,698,795,425.17 and 8,464,584,340.62 is: 11,677,502,955.90
Step by Step Solution
- Step 1: Write the proportion equation
13,554,056,166.12 : 18,698,795,425.17 = 8,464,584,340.62 : x - Step 2: Convert to fraction form
13,554,056,166.12/18,698,795,425.17 = 8,464,584,340.62/x - Step 3: Cross multiply
13,554,056,166.12x = 18,698,795,425.17 × 8,464,584,340.62 - Step 4: Simplify right side
13,554,056,166.12x = 158,277,530,944,350,846,976 - Step 5: Solve for x
x = 158,277,530,944,350,846,976/13,554,056,166.12 - Step 6: Final answer
x = 11,677,502,955.90
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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.