Finding the Fourth Proportional to 21,470,642,555.09, 29,630,832,350.09 and 11,825,370,606.65
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Solution
The fourth proportional to 21,470,642,555.09, 29,630,832,350.09 and 11,825,370,606.65 is: 16,319,752,565.59
Step by Step Solution
- Step 1: Write the proportion equation
21,470,642,555.09 : 29,630,832,350.09 = 11,825,370,606.65 : x - Step 2: Convert to fraction form
21,470,642,555.09/29,630,832,350.09 = 11,825,370,606.65/x - Step 3: Cross multiply
21,470,642,555.09x = 29,630,832,350.09 × 11,825,370,606.65 - Step 4: Simplify right side
21,470,642,555.09x = 350,395,573,923,120,939,008 - Step 5: Solve for x
x = 350,395,573,923,120,939,008/21,470,642,555.09 - Step 6: Final answer
x = 16,319,752,565.59
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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.