Finding the Fourth Proportional to 979,360,296,754.23, 1,351,521,291,731.50 and 539,888,026,441.36
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Solution
The fourth proportional to 979,360,296,754.23, 1,351,521,291,731.50 and 539,888,026,441.36 is: 745,047,726,872.99
Step by Step Solution
- Step 1: Write the proportion equation
979,360,296,754.23 : 1,351,521,291,731.50 = 539,888,026,441.36 : x - Step 2: Convert to fraction form
979,360,296,754.23/1,351,521,291,731.50 = 539,888,026,441.36/x - Step 3: Cross multiply
979,360,296,754.23x = 1,351,521,291,731.50 × 539,888,026,441.36 - Step 4: Simplify right side
979,360,296,754.23x = 729,670,162,886,397,045,768,192 - Step 5: Solve for x
x = 729,670,162,886,397,045,768,192/979,360,296,754.23 - Step 6: Final answer
x = 745,047,726,872.99
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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.