Finding the Fourth Proportional to 883,304,557.62, 1,219,008,226.05 and 506,958,136.59
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Solution
The fourth proportional to 883,304,557.62, 1,219,008,226.05 and 506,958,136.59 is: 699,629,740.88
Step by Step Solution
- Step 1: Write the proportion equation
883,304,557.62 : 1,219,008,226.05 = 506,958,136.59 : x - Step 2: Convert to fraction form
883,304,557.62/1,219,008,226.05 = 506,958,136.59/x - Step 3: Cross multiply
883,304,557.62x = 1,219,008,226.05 × 506,958,136.59 - Step 4: Simplify right side
883,304,557.62x = 617,986,138,766,189,440 - Step 5: Solve for x
x = 617,986,138,766,189,440/883,304,557.62 - Step 6: Final answer
x = 699,629,740.88
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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.