Finding the Fourth Proportional to 7,999,561,238.07, 11,039,390,668.87 and 4,784,471,172.17
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Solution
The fourth proportional to 7,999,561,238.07, 11,039,390,668.87 and 4,784,471,172.17 is: 6,602,567,921.12
Step by Step Solution
- Step 1: Write the proportion equation
7,999,561,238.07 : 11,039,390,668.87 = 4,784,471,172.17 : x - Step 2: Convert to fraction form
7,999,561,238.07/11,039,390,668.87 = 4,784,471,172.17/x - Step 3: Cross multiply
7,999,561,238.07x = 11,039,390,668.87 × 4,784,471,172.17 - Step 4: Simplify right side
7,999,561,238.07x = 52,817,646,413,531,013,120 - Step 5: Solve for x
x = 52,817,646,413,531,013,120/7,999,561,238.07 - Step 6: Final answer
x = 6,602,567,921.12
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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.