Finding the Fourth Proportional to 7,760,221,831.80, 11,640,165,231.70 and 2,164,009,853.33
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Solution
The fourth proportional to 7,760,221,831.80, 11,640,165,231.70 and 2,164,009,853.33 is: 3,245,968,066.60
Step by Step Solution
- Step 1: Write the proportion equation
7,760,221,831.80 : 11,640,165,231.70 = 2,164,009,853.33 : x - Step 2: Convert to fraction form
7,760,221,831.80/11,640,165,231.70 = 2,164,009,853.33/x - Step 3: Cross multiply
7,760,221,831.80x = 11,640,165,231.70 × 2,164,009,853.33 - Step 4: Simplify right side
7,760,221,831.80x = 25,189,432,255,776,280,576 - Step 5: Solve for x
x = 25,189,432,255,776,280,576/7,760,221,831.80 - Step 6: Final answer
x = 3,245,968,066.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.