Finding the Fourth Proportional to 1,183,241,623.40, 1,771,461,212.70 and 724,076,599.40
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Solution
The fourth proportional to 1,183,241,623.40, 1,771,461,212.70 and 724,076,599.40 is: 1,084,033,544.37
Step by Step Solution
- Step 1: Write the proportion equation
1,183,241,623.40 : 1,771,461,212.70 = 724,076,599.40 : x - Step 2: Convert to fraction form
1,183,241,623.40/1,771,461,212.70 = 724,076,599.40/x - Step 3: Cross multiply
1,183,241,623.40x = 1,771,461,212.70 × 724,076,599.40 - Step 4: Simplify right side
1,183,241,623.40x = 1,282,673,610,860,816,128 - Step 5: Solve for x
x = 1,282,673,610,860,816,128/1,183,241,623.40 - Step 6: Final answer
x = 1,084,033,544.37
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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.