Finding the Fourth Proportional to 1,980,193,941.70, 2,729,937,084.29 and 1,579,667,114.05
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Solution
The fourth proportional to 1,980,193,941.70, 2,729,937,084.29 and 1,579,667,114.05 is: 2,177,762,361.89
Step by Step Solution
- Step 1: Write the proportion equation
1,980,193,941.70 : 2,729,937,084.29 = 1,579,667,114.05 : x - Step 2: Convert to fraction form
1,980,193,941.70/2,729,937,084.29 = 1,579,667,114.05/x - Step 3: Cross multiply
1,980,193,941.70x = 2,729,937,084.29 × 1,579,667,114.05 - Step 4: Simplify right side
1,980,193,941.70x = 4,312,391,835,478,455,808 - Step 5: Solve for x
x = 4,312,391,835,478,455,808/1,980,193,941.70 - Step 6: Final answer
x = 2,177,762,361.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.