Finding the Fourth Proportional to 2,103,139,381.41, 2,887,134,266.40 and 1,805,264,486.57
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Solution
The fourth proportional to 2,103,139,381.41, 2,887,134,266.40 and 1,805,264,486.57 is: 2,478,219,468.07
Step by Step Solution
- Step 1: Write the proportion equation
2,103,139,381.41 : 2,887,134,266.40 = 1,805,264,486.57 : x - Step 2: Convert to fraction form
2,103,139,381.41/2,887,134,266.40 = 1,805,264,486.57/x - Step 3: Cross multiply
2,103,139,381.41x = 2,887,134,266.40 × 1,805,264,486.57 - Step 4: Simplify right side
2,103,139,381.41x = 5,212,040,959,076,813,824 - Step 5: Solve for x
x = 5,212,040,959,076,813,824/2,103,139,381.41 - Step 6: Final answer
x = 2,478,219,468.07
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.