Finding the Fourth Proportional to 580,757,455.84, 801,435,198.28 and 316,441,620.80
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Solution
The fourth proportional to 580,757,455.84, 801,435,198.28 and 316,441,620.80 is: 436,683,938.47
Step by Step Solution
- Step 1: Write the proportion equation
580,757,455.84 : 801,435,198.28 = 316,441,620.80 : x - Step 2: Convert to fraction form
580,757,455.84/801,435,198.28 = 316,441,620.80/x - Step 3: Cross multiply
580,757,455.84x = 801,435,198.28 × 316,441,620.80 - Step 4: Simplify right side
580,757,455.84x = 253,607,453,108,310,368 - Step 5: Solve for x
x = 253,607,453,108,310,368/580,757,455.84 - Step 6: Final answer
x = 436,683,938.47
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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.