Finding the Fourth Proportional to 7,775,509,729.54, 10,726,250,347.24 and 4,722,873,680.54
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Solution
The fourth proportional to 7,775,509,729.54, 10,726,250,347.24 and 4,722,873,680.54 is: 6,515,164,563.86
Step by Step Solution
- Step 1: Write the proportion equation
7,775,509,729.54 : 10,726,250,347.24 = 4,722,873,680.54 : x - Step 2: Convert to fraction form
7,775,509,729.54/10,726,250,347.24 = 4,722,873,680.54/x - Step 3: Cross multiply
7,775,509,729.54x = 10,726,250,347.24 × 4,722,873,680.54 - Step 4: Simplify right side
7,775,509,729.54x = 50,658,725,455,862,833,152 - Step 5: Solve for x
x = 50,658,725,455,862,833,152/7,775,509,729.54 - Step 6: Final answer
x = 6,515,164,563.86
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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.