Finding the Fourth Proportional to 2,278,112,712,840.60, 3,143,798,656,917.60 and 1,236,423,565,577.70
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Solution
The fourth proportional to 2,278,112,712,840.60, 3,143,798,656,917.60 and 1,236,423,565,577.70 is: 1,706,266,210,154.99
Step by Step Solution
- Step 1: Write the proportion equation
2,278,112,712,840.60 : 3,143,798,656,917.60 = 1,236,423,565,577.70 : x - Step 2: Convert to fraction form
2,278,112,712,840.60/3,143,798,656,917.60 = 1,236,423,565,577.70/x - Step 3: Cross multiply
2,278,112,712,840.60x = 3,143,798,656,917.60 × 1,236,423,565,577.70 - Step 4: Simplify right side
2,278,112,712,840.60x = 3,887,066,744,844,443,585,609,728 - Step 5: Solve for x
x = 3,887,066,744,844,443,585,609,728/2,278,112,712,840.60 - Step 6: Final answer
x = 1,706,266,210,154.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.