Finding the Fourth Proportional to 6,240,385,684.44, 8,612,277,056.06 and 3,421,538,420.22
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Solution
The fourth proportional to 6,240,385,684.44, 8,612,277,056.06 and 3,421,538,420.22 is: 4,722,021,734.39
Step by Step Solution
- Step 1: Write the proportion equation
6,240,385,684.44 : 8,612,277,056.06 = 3,421,538,420.22 : x - Step 2: Convert to fraction form
6,240,385,684.44/8,612,277,056.06 = 3,421,538,420.22/x - Step 3: Cross multiply
6,240,385,684.44x = 8,612,277,056.06 × 3,421,538,420.22 - Step 4: Simplify right side
6,240,385,684.44x = 29,467,236,832,871,374,848 - Step 5: Solve for x
x = 29,467,236,832,871,374,848/6,240,385,684.44 - Step 6: Final answer
x = 4,722,021,734.39
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Double scale
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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.