Finding the Fourth Proportional to 7,775,509,727.79, 10,726,250,344.83 and 4,722,873,678.79
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Solution
The fourth proportional to 7,775,509,727.79, 10,726,250,344.83 and 4,722,873,678.79 is: 6,515,164,561.45
Step by Step Solution
- Step 1: Write the proportion equation
7,775,509,727.79 : 10,726,250,344.83 = 4,722,873,678.79 : x - Step 2: Convert to fraction form
7,775,509,727.79/10,726,250,344.83 = 4,722,873,678.79/x - Step 3: Cross multiply
7,775,509,727.79x = 10,726,250,344.83 × 4,722,873,678.79 - Step 4: Simplify right side
7,775,509,727.79x = 50,658,725,425,682,956,288 - Step 5: Solve for x
x = 50,658,725,425,682,956,288/7,775,509,727.79 - Step 6: Final answer
x = 6,515,164,561.45
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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.