Finding the Fourth Proportional to 28,125,656,069.24, 38,795,750,513.99 and 16,686,125,925.64
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Solution
The fourth proportional to 28,125,656,069.24, 38,795,750,513.99 and 16,686,125,925.64 is: 23,016,379,666.39
Step by Step Solution
- Step 1: Write the proportion equation
28,125,656,069.24 : 38,795,750,513.99 = 16,686,125,925.64 : x - Step 2: Convert to fraction form
28,125,656,069.24/38,795,750,513.99 = 16,686,125,925.64/x - Step 3: Cross multiply
28,125,656,069.24x = 38,795,750,513.99 × 16,686,125,925.64 - Step 4: Simplify right side
28,125,656,069.24x = 647,350,778,456,000,036,864 - Step 5: Solve for x
x = 647,350,778,456,000,036,864/28,125,656,069.24 - Step 6: Final answer
x = 23,016,379,666.39
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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.