Finding the Fourth Proportional to 880,795,776.24, 1,215,533,192.76 and 484,351,268.40
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Solution
The fourth proportional to 880,795,776.24, 1,215,533,192.76 and 484,351,268.40 is: 668,424,008.81
Step by Step Solution
- Step 1: Write the proportion equation
880,795,776.24 : 1,215,533,192.76 = 484,351,268.40 : x - Step 2: Convert to fraction form
880,795,776.24/1,215,533,192.76 = 484,351,268.40/x - Step 3: Cross multiply
880,795,776.24x = 1,215,533,192.76 × 484,351,268.40 - Step 4: Simplify right side
880,795,776.24x = 588,745,043,695,607,680 - Step 5: Solve for x
x = 588,745,043,695,607,680/880,795,776.24 - Step 6: Final answer
x = 668,424,008.81
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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.