Finding the Fourth Proportional to 979,360,296,755.72, 1,351,521,291,733.60 and 539,888,026,442.86
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Solution
The fourth proportional to 979,360,296,755.72, 1,351,521,291,733.60 and 539,888,026,442.86 is: 745,047,726,875.09
Step by Step Solution
- Step 1: Write the proportion equation
979,360,296,755.72 : 1,351,521,291,733.60 = 539,888,026,442.86 : x - Step 2: Convert to fraction form
979,360,296,755.72/1,351,521,291,733.60 = 539,888,026,442.86/x - Step 3: Cross multiply
979,360,296,755.72x = 1,351,521,291,733.60 × 539,888,026,442.86 - Step 4: Simplify right side
979,360,296,755.72x = 729,670,162,889,558,141,698,048 - Step 5: Solve for x
x = 729,670,162,889,558,141,698,048/979,360,296,755.72 - Step 6: Final answer
x = 745,047,726,875.09
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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.