Finding the Fourth Proportional to 842,008,466.25, 1,161,842,596.11 and 484,707,177.09
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Solution
The fourth proportional to 842,008,466.25, 1,161,842,596.11 and 484,707,177.09 is: 668,821,594.50
Step by Step Solution
- Step 1: Write the proportion equation
842,008,466.25 : 1,161,842,596.11 = 484,707,177.09 : x - Step 2: Convert to fraction form
842,008,466.25/1,161,842,596.11 = 484,707,177.09/x - Step 3: Cross multiply
842,008,466.25x = 1,161,842,596.11 × 484,707,177.09 - Step 4: Simplify right side
842,008,466.25x = 563,153,444,983,395,008 - Step 5: Solve for x
x = 563,153,444,983,395,008/842,008,466.25 - Step 6: Final answer
x = 668,821,594.50
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Double scale
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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.