Finding the Fourth Proportional to 6,352,384,266.20, 9,528,579,855.30 and 1,990,657,904.60
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Solution
The fourth proportional to 6,352,384,266.20, 9,528,579,855.30 and 1,990,657,904.60 is: 2,985,987,939.91
Step by Step Solution
- Step 1: Write the proportion equation
6,352,384,266.20 : 9,528,579,855.30 = 1,990,657,904.60 : x - Step 2: Convert to fraction form
6,352,384,266.20/9,528,579,855.30 = 1,990,657,904.60/x - Step 3: Cross multiply
6,352,384,266.20x = 9,528,579,855.30 × 1,990,657,904.60 - Step 4: Simplify right side
6,352,384,266.20x = 18,968,142,808,565,268,480 - Step 5: Solve for x
x = 18,968,142,808,565,268,480/6,352,384,266.20 - Step 6: Final answer
x = 2,985,987,939.91
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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.