Finding the Fourth Proportional to 1,133,834,154.24, 1,564,691,120.64 and 612,313,386.24
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Solution
The fourth proportional to 1,133,834,154.24, 1,564,691,120.64 and 612,313,386.24 is: 844,992,466.42
Step by Step Solution
- Step 1: Write the proportion equation
1,133,834,154.24 : 1,564,691,120.64 = 612,313,386.24 : x - Step 2: Convert to fraction form
1,133,834,154.24/1,564,691,120.64 = 612,313,386.24/x - Step 3: Cross multiply
1,133,834,154.24x = 1,564,691,120.64 × 612,313,386.24 - Step 4: Simplify right side
1,133,834,154.24x = 958,081,318,498,738,816 - Step 5: Solve for x
x = 958,081,318,498,738,816/1,133,834,154.24 - Step 6: Final answer
x = 844,992,466.42
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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.