Finding the Fourth Proportional to 1,119,392,597.70, 1,544,767,125.48 and 617,601,349.62
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Solution
The fourth proportional to 1,119,392,597.70, 1,544,767,125.48 and 617,601,349.62 is: 852,292,809.07
Step by Step Solution
- Step 1: Write the proportion equation
1,119,392,597.70 : 1,544,767,125.48 = 617,601,349.62 : x - Step 2: Convert to fraction form
1,119,392,597.70/1,544,767,125.48 = 617,601,349.62/x - Step 3: Cross multiply
1,119,392,597.70x = 1,544,767,125.48 × 617,601,349.62 - Step 4: Simplify right side
1,119,392,597.70x = 954,050,261,545,055,872 - Step 5: Solve for x
x = 954,050,261,545,055,872/1,119,392,597.70 - Step 6: Final answer
x = 852,292,809.07
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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.