Finding the Fourth Proportional to 1,409,026,860.14, 1,944,403,796.14 and 782,535,644.28
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Solution
The fourth proportional to 1,409,026,860.14, 1,944,403,796.14 and 782,535,644.28 is: 1,079,869,603.91
Step by Step Solution
- Step 1: Write the proportion equation
1,409,026,860.14 : 1,944,403,796.14 = 782,535,644.28 : x - Step 2: Convert to fraction form
1,409,026,860.14/1,944,403,796.14 = 782,535,644.28/x - Step 3: Cross multiply
1,409,026,860.14x = 1,944,403,796.14 × 782,535,644.28 - Step 4: Simplify right side
1,409,026,860.14x = 1,521,565,277,350,936,320 - Step 5: Solve for x
x = 1,521,565,277,350,936,320/1,409,026,860.14 - Step 6: Final answer
x = 1,079,869,603.91
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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.