Finding the Fourth Proportional to 1,259,227,859.36, 1,737,736,764.80 and 702,346,800.64
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Solution
The fourth proportional to 1,259,227,859.36, 1,737,736,764.80 and 702,346,800.64 is: 969,239,878.26
Step by Step Solution
- Step 1: Write the proportion equation
1,259,227,859.36 : 1,737,736,764.80 = 702,346,800.64 : x - Step 2: Convert to fraction form
1,259,227,859.36/1,737,736,764.80 = 702,346,800.64/x - Step 3: Cross multiply
1,259,227,859.36x = 1,737,736,764.80 × 702,346,800.64 - Step 4: Simplify right side
1,259,227,859.36x = 1,220,493,857,111,784,192 - Step 5: Solve for x
x = 1,220,493,857,111,784,192/1,259,227,859.36 - Step 6: Final answer
x = 969,239,878.26
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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.