Finding the Fourth Proportional to 1,996,975,301, 2,995,871,497.68 and 686,707,188.26
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Solution
The fourth proportional to 1,996,975,301, 2,995,871,497.68 and 686,707,188.26 is: 1,030,201,270.66
Step by Step Solution
- Step 1: Write the proportion equation
1,996,975,301 : 2,995,871,497.68 = 686,707,188.26 : x - Step 2: Convert to fraction form
1,996,975,301/2,995,871,497.68 = 686,707,188.26/x - Step 3: Cross multiply
1,996,975,301x = 2,995,871,497.68 × 686,707,188.26 - Step 4: Simplify right side
1,996,975,301x = 2,057,286,492,560,107,776 - Step 5: Solve for x
x = 2,057,286,492,560,107,776/1,996,975,301 - Step 6: Final answer
x = 1,030,201,270.66
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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.