Finding the Fourth Proportional to 6,311,615,282.97, 8,710,130,990.13 and 3,454,005,791.73
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Solution
The fourth proportional to 6,311,615,282.97, 8,710,130,990.13 and 3,454,005,791.73 is: 4,766,583,756.75
Step by Step Solution
- Step 1: Write the proportion equation
6,311,615,282.97 : 8,710,130,990.13 = 3,454,005,791.73 : x - Step 2: Convert to fraction form
6,311,615,282.97/8,710,130,990.13 = 3,454,005,791.73/x - Step 3: Cross multiply
6,311,615,282.97x = 8,710,130,990.13 × 3,454,005,791.73 - Step 4: Simplify right side
6,311,615,282.97x = 30,084,842,886,635,978,752 - Step 5: Solve for x
x = 30,084,842,886,635,978,752/6,311,615,282.97 - Step 6: Final answer
x = 4,766,583,756.75
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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.