Finding the Fourth Proportional to 39,315,351,036.80, 58,973,026,555.20 and 14,489,828,739.20
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Solution
The fourth proportional to 39,315,351,036.80, 58,973,026,555.20 and 14,489,828,739.20 is: 21,734,743,108.80
Step by Step Solution
- Step 1: Write the proportion equation
39,315,351,036.80 : 58,973,026,555.20 = 14,489,828,739.20 : x - Step 2: Convert to fraction form
39,315,351,036.80/58,973,026,555.20 = 14,489,828,739.20/x - Step 3: Cross multiply
39,315,351,036.80x = 58,973,026,555.20 × 14,489,828,739.20 - Step 4: Simplify right side
39,315,351,036.80x = 854,509,055,017,141,796,864 - Step 5: Solve for x
x = 854,509,055,017,141,796,864/39,315,351,036.80 - Step 6: Final answer
x = 21,734,743,108.80
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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.