Finding the Fourth Proportional to 7,064,511,431.68, 9,748,586,509.50 and 3,892,517,840.08
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Solution
The fourth proportional to 7,064,511,431.68, 9,748,586,509.50 and 3,892,517,840.08 is: 5,371,432,585.36
Step by Step Solution
- Step 1: Write the proportion equation
7,064,511,431.68 : 9,748,586,509.50 = 3,892,517,840.08 : x - Step 2: Convert to fraction form
7,064,511,431.68/9,748,586,509.50 = 3,892,517,840.08/x - Step 3: Cross multiply
7,064,511,431.68x = 9,748,586,509.50 × 3,892,517,840.08 - Step 4: Simplify right side
7,064,511,431.68x = 37,946,546,903,791,968,256 - Step 5: Solve for x
x = 37,946,546,903,791,968,256/7,064,511,431.68 - Step 6: Final answer
x = 5,371,432,585.36
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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.