Finding the Fourth Proportional to 7,775,509,728.54, 10,726,250,345.87 and 4,722,873,679.54
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Solution
The fourth proportional to 7,775,509,728.54, 10,726,250,345.87 and 4,722,873,679.54 is: 6,515,164,562.48
Step by Step Solution
- Step 1: Write the proportion equation
7,775,509,728.54 : 10,726,250,345.87 = 4,722,873,679.54 : x - Step 2: Convert to fraction form
7,775,509,728.54/10,726,250,345.87 = 4,722,873,679.54/x - Step 3: Cross multiply
7,775,509,728.54x = 10,726,250,345.87 × 4,722,873,679.54 - Step 4: Simplify right side
7,775,509,728.54x = 50,658,725,438,615,814,144 - Step 5: Solve for x
x = 50,658,725,438,615,814,144/7,775,509,728.54 - Step 6: Final answer
x = 6,515,164,562.48
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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.