Finding the Fourth Proportional to 5,110,374,098.70, 7,665,561,148.05 and 2,202,328,946.70
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Solution
The fourth proportional to 5,110,374,098.70, 7,665,561,148.05 and 2,202,328,946.70 is: 3,303,493,420.05
Step by Step Solution
- Step 1: Write the proportion equation
5,110,374,098.70 : 7,665,561,148.05 = 2,202,328,946.70 : x - Step 2: Convert to fraction form
5,110,374,098.70/7,665,561,148.05 = 2,202,328,946.70/x - Step 3: Cross multiply
5,110,374,098.70x = 7,665,561,148.05 × 2,202,328,946.70 - Step 4: Simplify right side
5,110,374,098.70x = 16,882,087,209,049,397,248 - Step 5: Solve for x
x = 16,882,087,209,049,397,248/5,110,374,098.70 - Step 6: Final answer
x = 3,303,493,420.05
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Double scale
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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.