Finding the Fourth Proportional to 5,370,517,657.06, 7,410,330,521.12 and 2,991,596,393.14
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Solution
The fourth proportional to 5,370,517,657.06, 7,410,330,521.12 and 2,991,596,393.14 is: 4,127,854,980.57
Step by Step Solution
- Step 1: Write the proportion equation
5,370,517,657.06 : 7,410,330,521.12 = 2,991,596,393.14 : x - Step 2: Convert to fraction form
5,370,517,657.06/7,410,330,521.12 = 2,991,596,393.14/x - Step 3: Cross multiply
5,370,517,657.06x = 7,410,330,521.12 × 2,991,596,393.14 - Step 4: Simplify right side
5,370,517,657.06x = 22,168,718,058,957,848,576 - Step 5: Solve for x
x = 22,168,718,058,957,848,576/5,370,517,657.06 - Step 6: Final answer
x = 4,127,854,980.57
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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.