Finding the Fourth Proportional to 1,201,067,183,745.80, 1,657,444,521,313.80 and 706,703,761,489.70
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Solution
The fourth proportional to 1,201,067,183,745.80, 1,657,444,521,313.80 and 706,703,761,489.70 is: 975,234,602,630.57
Step by Step Solution
- Step 1: Write the proportion equation
1,201,067,183,745.80 : 1,657,444,521,313.80 = 706,703,761,489.70 : x - Step 2: Convert to fraction form
1,201,067,183,745.80/1,657,444,521,313.80 = 706,703,761,489.70/x - Step 3: Cross multiply
1,201,067,183,745.80x = 1,657,444,521,313.80 × 706,703,761,489.70 - Step 4: Simplify right side
1,201,067,183,745.80x = 1,171,322,277,672,957,681,598,464 - Step 5: Solve for x
x = 1,171,322,277,672,957,681,598,464/1,201,067,183,745.80 - Step 6: Final answer
x = 975,234,602,630.57
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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.