Finding the Fourth Proportional to 403,105,810.71, 556,250,554.36 and 224,476,201.05
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Solution
The fourth proportional to 403,105,810.71, 556,250,554.36 and 224,476,201.05 is: 309,757,408.49
Step by Step Solution
- Step 1: Write the proportion equation
403,105,810.71 : 556,250,554.36 = 224,476,201.05 : x - Step 2: Convert to fraction form
403,105,810.71/556,250,554.36 = 224,476,201.05/x - Step 3: Cross multiply
403,105,810.71x = 556,250,554.36 × 224,476,201.05 - Step 4: Simplify right side
403,105,810.71x = 124,865,011,274,689,328 - Step 5: Solve for x
x = 124,865,011,274,689,328/403,105,810.71 - Step 6: Final answer
x = 309,757,408.49
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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.