Finding the Fourth Proportional to 1,119,674,744.92, 1,545,151,813.14 and 624,637,453.96
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Solution
The fourth proportional to 1,119,674,744.92, 1,545,151,813.14 and 624,637,453.96 is: 862,000,057.53
Step by Step Solution
- Step 1: Write the proportion equation
1,119,674,744.92 : 1,545,151,813.14 = 624,637,453.96 : x - Step 2: Convert to fraction form
1,119,674,744.92/1,545,151,813.14 = 624,637,453.96/x - Step 3: Cross multiply
1,119,674,744.92x = 1,545,151,813.14 × 624,637,453.96 - Step 4: Simplify right side
1,119,674,744.92x = 965,159,694,541,447,424 - Step 5: Solve for x
x = 965,159,694,541,447,424/1,119,674,744.92 - Step 6: Final answer
x = 862,000,057.53
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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.