Finding the Fourth Proportional to 1,858,406,618.57, 2,787,597,527.29 and 752,995,166.81
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Solution
The fourth proportional to 1,858,406,618.57, 2,787,597,527.29 and 752,995,166.81 is: 1,129,487,725.71
Step by Step Solution
- Step 1: Write the proportion equation
1,858,406,618.57 : 2,787,597,527.29 = 752,995,166.81 : x - Step 2: Convert to fraction form
1,858,406,618.57/2,787,597,527.29 = 752,995,166.81/x - Step 3: Cross multiply
1,858,406,618.57x = 2,787,597,527.29 × 752,995,166.81 - Step 4: Simplify right side
1,858,406,618.57x = 2,099,047,465,045,056,256 - Step 5: Solve for x
x = 2,099,047,465,045,056,256/1,858,406,618.57 - Step 6: Final answer
x = 1,129,487,725.71
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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.