Finding the Fourth Proportional to 1,872,134,857.97, 2,807,539,902.42 and 543,886,559.06
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Solution
The fourth proportional to 1,872,134,857.97, 2,807,539,902.42 and 543,886,559.06 is: 815,637,404.78
Step by Step Solution
- Step 1: Write the proportion equation
1,872,134,857.97 : 2,807,539,902.42 = 543,886,559.06 : x - Step 2: Convert to fraction form
1,872,134,857.97/2,807,539,902.42 = 543,886,559.06/x - Step 3: Cross multiply
1,872,134,857.97x = 2,807,539,902.42 × 543,886,559.06 - Step 4: Simplify right side
1,872,134,857.97x = 1,526,983,216,957,880,832 - Step 5: Solve for x
x = 1,526,983,216,957,880,832/1,872,134,857.97 - Step 6: Final answer
x = 815,637,404.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.