Finding the Fourth Proportional to 7,187,409,427.97, 10,781,099,684.30 and 6,750,032,960.79
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Solution
The fourth proportional to 7,187,409,427.97, 10,781,099,684.30 and 6,750,032,960.79 is: 10,125,035,863.32
Step by Step Solution
- Step 1: Write the proportion equation
7,187,409,427.97 : 10,781,099,684.30 = 6,750,032,960.79 : x - Step 2: Convert to fraction form
7,187,409,427.97/10,781,099,684.30 = 6,750,032,960.79/x - Step 3: Cross multiply
7,187,409,427.97x = 10,781,099,684.30 × 6,750,032,960.79 - Step 4: Simplify right side
7,187,409,427.97x = 72,772,778,222,601,166,848 - Step 5: Solve for x
x = 72,772,778,222,601,166,848/7,187,409,427.97 - Step 6: Final answer
x = 10,125,035,863.32
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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.