Finding the Fourth Proportional to 7,775,509,729.79, 10,726,250,347.59 and 4,722,873,680.79
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Solution
The fourth proportional to 7,775,509,729.79, 10,726,250,347.59 and 4,722,873,680.79 is: 6,515,164,564.21
Step by Step Solution
- Step 1: Write the proportion equation
7,775,509,729.79 : 10,726,250,347.59 = 4,722,873,680.79 : x - Step 2: Convert to fraction form
7,775,509,729.79/10,726,250,347.59 = 4,722,873,680.79/x - Step 3: Cross multiply
7,775,509,729.79x = 10,726,250,347.59 × 4,722,873,680.79 - Step 4: Simplify right side
7,775,509,729.79x = 50,658,725,460,197,400,576 - Step 5: Solve for x
x = 50,658,725,460,197,400,576/7,775,509,729.79 - Step 6: Final answer
x = 6,515,164,564.21
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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.