Finding the Fourth Proportional to 3,346,419,077.80, 5,019,628,616.70 and 1,509,758,981.80
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Solution
The fourth proportional to 3,346,419,077.80, 5,019,628,616.70 and 1,509,758,981.80 is: 2,264,638,472.70
Step by Step Solution
- Step 1: Write the proportion equation
3,346,419,077.80 : 5,019,628,616.70 = 1,509,758,981.80 : x - Step 2: Convert to fraction form
3,346,419,077.80/5,019,628,616.70 = 1,509,758,981.80/x - Step 3: Cross multiply
3,346,419,077.80x = 5,019,628,616.70 × 1,509,758,981.80 - Step 4: Simplify right side
3,346,419,077.80x = 7,578,429,389,363,133,440 - Step 5: Solve for x
x = 7,578,429,389,363,133,440/3,346,419,077.80 - Step 6: Final answer
x = 2,264,638,472.70
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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.