Finding the Fourth Proportional to 777,521,167.05, 1,166,281,750.58 and 777,521,167.05
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Solution
The fourth proportional to 777,521,167.05, 1,166,281,750.58 and 777,521,167.05 is: 1,166,281,750.58
Step by Step Solution
- Step 1: Write the proportion equation
777,521,167.05 : 1,166,281,750.58 = 777,521,167.05 : x - Step 2: Convert to fraction form
777,521,167.05/1,166,281,750.58 = 777,521,167.05/x - Step 3: Cross multiply
777,521,167.05x = 1,166,281,750.58 × 777,521,167.05 - Step 4: Simplify right side
777,521,167.05x = 906,808,747,816,190,976 - Step 5: Solve for x
x = 906,808,747,816,190,976/777,521,167.05 - Step 6: Final answer
x = 1,166,281,750.58
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1.5x scale
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.