Finding the Fourth Proportional to 122,319,049,603.80, 183,478,574,405.70 and 38,498,474,472.60
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Solution
The fourth proportional to 122,319,049,603.80, 183,478,574,405.70 and 38,498,474,472.60 is: 57,747,711,708.90
Step by Step Solution
- Step 1: Write the proportion equation
122,319,049,603.80 : 183,478,574,405.70 = 38,498,474,472.60 : x - Step 2: Convert to fraction form
122,319,049,603.80/183,478,574,405.70 = 38,498,474,472.60/x - Step 3: Cross multiply
122,319,049,603.80x = 183,478,574,405.70 × 38,498,474,472.60 - Step 4: Simplify right side
122,319,049,603.80x = 7,063,645,213,026,881,110,016 - Step 5: Solve for x
x = 7,063,645,213,026,881,110,016/122,319,049,603.80 - Step 6: Final answer
x = 57,747,711,708.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.