Finding the Fourth Proportional to 1,282,774,219.70, 1,924,167,736.35 and 453,728,626.32
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Solution
The fourth proportional to 1,282,774,219.70, 1,924,167,736.35 and 453,728,626.32 is: 680,595,205.62
Step by Step Solution
- Step 1: Write the proportion equation
1,282,774,219.70 : 1,924,167,736.35 = 453,728,626.32 : x - Step 2: Convert to fraction form
1,282,774,219.70/1,924,167,736.35 = 453,728,626.32/x - Step 3: Cross multiply
1,282,774,219.70x = 1,924,167,736.35 × 453,728,626.32 - Step 4: Simplify right side
1,282,774,219.70x = 873,049,983,823,349,376 - Step 5: Solve for x
x = 873,049,983,823,349,376/1,282,774,219.70 - Step 6: Final answer
x = 680,595,205.62
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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.