Finding the Fourth Proportional to 1,643,341,739.20, 2,266,489,267.14 and 1,444,678,464.40
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Solution
The fourth proportional to 1,643,341,739.20, 2,266,489,267.14 and 1,444,678,464.40 is: 1,992,493,804.50
Step by Step Solution
- Step 1: Write the proportion equation
1,643,341,739.20 : 2,266,489,267.14 = 1,444,678,464.40 : x - Step 2: Convert to fraction form
1,643,341,739.20/2,266,489,267.14 = 1,444,678,464.40/x - Step 3: Cross multiply
1,643,341,739.20x = 2,266,489,267.14 × 1,444,678,464.40 - Step 4: Simplify right side
1,643,341,739.20x = 3,274,348,234,030,896,640 - Step 5: Solve for x
x = 3,274,348,234,030,896,640/1,643,341,739.20 - Step 6: Final answer
x = 1,992,493,804.50
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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.