Finding the Fourth Proportional to 2,560,159,893,652.70, 3,840,465,597,921.20 and 722,314,656,617.60
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Solution
The fourth proportional to 2,560,159,893,652.70, 3,840,465,597,921.20 and 722,314,656,617.60 is: 1,083,535,679,350.22
Step by Step Solution
- Step 1: Write the proportion equation
2,560,159,893,652.70 : 3,840,465,597,921.20 = 722,314,656,617.60 : x - Step 2: Convert to fraction form
2,560,159,893,652.70/3,840,465,597,921.20 = 722,314,656,617.60/x - Step 3: Cross multiply
2,560,159,893,652.70x = 3,840,465,597,921.20 × 722,314,656,617.60 - Step 4: Simplify right side
2,560,159,893,652.70x = 2,774,024,589,614,157,643,382,784 - Step 5: Solve for x
x = 2,774,024,589,614,157,643,382,784/2,560,159,893,652.70 - Step 6: Final answer
x = 1,083,535,679,350.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.