Finding the Fourth Proportional to 1,818,655,299.74, 2,727,971,502.42 and 978,693,704.08
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Solution
The fourth proportional to 1,818,655,299.74, 2,727,971,502.42 and 978,693,704.08 is: 1,468,034,395.91
Step by Step Solution
- Step 1: Write the proportion equation
1,818,655,299.74 : 2,727,971,502.42 = 978,693,704.08 : x - Step 2: Convert to fraction form
1,818,655,299.74/2,727,971,502.42 = 978,693,704.08/x - Step 3: Cross multiply
1,818,655,299.74x = 2,727,971,502.42 × 978,693,704.08 - Step 4: Simplify right side
1,818,655,299.74x = 2,669,848,534,328,112,640 - Step 5: Solve for x
x = 2,669,848,534,328,112,640/1,818,655,299.74 - Step 6: Final answer
x = 1,468,034,395.91
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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.