Finding the Fourth Proportional to 2,635,243,599.70, 3,952,726,181.96 and 864,381,054.32
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Solution
The fourth proportional to 2,635,243,599.70, 3,952,726,181.96 and 864,381,054.32 is: 1,296,525,916.99
Step by Step Solution
- Step 1: Write the proportion equation
2,635,243,599.70 : 3,952,726,181.96 = 864,381,054.32 : x - Step 2: Convert to fraction form
2,635,243,599.70/3,952,726,181.96 = 864,381,054.32/x - Step 3: Cross multiply
2,635,243,599.70x = 3,952,726,181.96 × 864,381,054.32 - Step 4: Simplify right side
2,635,243,599.70x = 3,416,661,624,600,852,992 - Step 5: Solve for x
x = 3,416,661,624,600,852,992/2,635,243,599.70 - Step 6: Final answer
x = 1,296,525,916.99
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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.