Finding the Fourth Proportional to 1,859,425,683.84, 2,566,286,413.92 and 1,412,653,860.72
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Solution
The fourth proportional to 1,859,425,683.84, 2,566,286,413.92 and 1,412,653,860.72 is: 1,949,674,268.70
Step by Step Solution
- Step 1: Write the proportion equation
1,859,425,683.84 : 2,566,286,413.92 = 1,412,653,860.72 : x - Step 2: Convert to fraction form
1,859,425,683.84/2,566,286,413.92 = 1,412,653,860.72/x - Step 3: Cross multiply
1,859,425,683.84x = 2,566,286,413.92 × 1,412,653,860.72 - Step 4: Simplify right side
1,859,425,683.84x = 3,625,274,410,337,372,160 - Step 5: Solve for x
x = 3,625,274,410,337,372,160/1,859,425,683.84 - Step 6: Final answer
x = 1,949,674,268.70
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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.