Finding the Fourth Proportional to 2,560,159,893,678.90, 3,840,465,597,959.70 and 722,314,656,643.20
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Solution
The fourth proportional to 2,560,159,893,678.90, 3,840,465,597,959.70 and 722,314,656,643.20 is: 1,083,535,679,388.39
Step by Step Solution
- Step 1: Write the proportion equation
2,560,159,893,678.90 : 3,840,465,597,959.70 = 722,314,656,643.20 : x - Step 2: Convert to fraction form
2,560,159,893,678.90/3,840,465,597,959.70 = 722,314,656,643.20/x - Step 3: Cross multiply
2,560,159,893,678.90x = 3,840,465,597,959.70 × 722,314,656,643.20 - Step 4: Simplify right side
2,560,159,893,678.90x = 2,774,024,589,740,282,579,255,296 - Step 5: Solve for x
x = 2,774,024,589,740,282,579,255,296/2,560,159,893,678.90 - Step 6: Final answer
x = 1,083,535,679,388.39
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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.