Finding the Fourth Proportional to 696,095,754.12, 960,376,800.24 and 394,648,727.09
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Solution
The fourth proportional to 696,095,754.12, 960,376,800.24 and 394,648,727.09 is: 544,481,818.05
Step by Step Solution
- Step 1: Write the proportion equation
696,095,754.12 : 960,376,800.24 = 394,648,727.09 : x - Step 2: Convert to fraction form
696,095,754.12/960,376,800.24 = 394,648,727.09/x - Step 3: Cross multiply
696,095,754.12x = 960,376,800.24 × 394,648,727.09 - Step 4: Simplify right side
696,095,754.12x = 379,011,481,736,681,280 - Step 5: Solve for x
x = 379,011,481,736,681,280/696,095,754.12 - Step 6: Final answer
x = 544,481,818.05
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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.