Finding the Fourth Proportional to 5,657,128,686,265.90, 8,485,693,019,880 and 1,359,352,369,348.20
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Solution
The fourth proportional to 5,657,128,686,265.90, 8,485,693,019,880 and 1,359,352,369,348.20 is: 2,039,028,551,735.01
Step by Step Solution
- Step 1: Write the proportion equation
5,657,128,686,265.90 : 8,485,693,019,880 = 1,359,352,369,348.20 : x - Step 2: Convert to fraction form
5,657,128,686,265.90/8,485,693,019,880 = 1,359,352,369,348.20/x - Step 3: Cross multiply
5,657,128,686,265.90x = 8,485,693,019,880 × 1,359,352,369,348.20 - Step 4: Simplify right side
5,657,128,686,265.90x = 11,535,046,912,135,359,073,615,872 - Step 5: Solve for x
x = 11,535,046,912,135,359,073,615,872/5,657,128,686,265.90 - Step 6: Final answer
x = 2,039,028,551,735.01
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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.