Finding the Fourth Proportional to 4,151,507,516.80, 6,227,261,275.20 and 1,390,218,812.80
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Solution
The fourth proportional to 4,151,507,516.80, 6,227,261,275.20 and 1,390,218,812.80 is: 2,085,328,219.20
Step by Step Solution
- Step 1: Write the proportion equation
4,151,507,516.80 : 6,227,261,275.20 = 1,390,218,812.80 : x - Step 2: Convert to fraction form
4,151,507,516.80/6,227,261,275.20 = 1,390,218,812.80/x - Step 3: Cross multiply
4,151,507,516.80x = 6,227,261,275.20 × 1,390,218,812.80 - Step 4: Simplify right side
4,151,507,516.80x = 8,657,255,777,003,957,248 - Step 5: Solve for x
x = 8,657,255,777,003,957,248/4,151,507,516.80 - Step 6: Final answer
x = 2,085,328,219.20
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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.