Finding the Fourth Proportional to 19,006,899,608.68, 28,511,438,939.97 and 5,032,158,368.65
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Solution
The fourth proportional to 19,006,899,608.68, 28,511,438,939.97 and 5,032,158,368.65 is: 7,548,526,009.92
Step by Step Solution
- Step 1: Write the proportion equation
19,006,899,608.68 : 28,511,438,939.97 = 5,032,158,368.65 : x - Step 2: Convert to fraction form
19,006,899,608.68/28,511,438,939.97 = 5,032,158,368.65/x - Step 3: Cross multiply
19,006,899,608.68x = 28,511,438,939.97 × 5,032,158,368.65 - Step 4: Simplify right side
19,006,899,608.68x = 143,474,076,064,023,511,040 - Step 5: Solve for x
x = 143,474,076,064,023,511,040/19,006,899,608.68 - Step 6: Final answer
x = 7,548,526,009.92
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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.