Finding the Fourth Proportional to 7,270,167,738.23, 10,889,979,703.59 and 4,612,855,997.84
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Solution
The fourth proportional to 7,270,167,738.23, 10,889,979,703.59 and 4,612,855,997.84 is: 6,909,594,111.27
Step by Step Solution
- Step 1: Write the proportion equation
7,270,167,738.23 : 10,889,979,703.59 = 4,612,855,997.84 : x - Step 2: Convert to fraction form
7,270,167,738.23/10,889,979,703.59 = 4,612,855,997.84/x - Step 3: Cross multiply
7,270,167,738.23x = 10,889,979,703.59 × 4,612,855,997.84 - Step 4: Simplify right side
7,270,167,738.23x = 50,233,908,192,006,545,408 - Step 5: Solve for x
x = 50,233,908,192,006,545,408/7,270,167,738.23 - Step 6: Final answer
x = 6,909,594,111.27
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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.