Finding the Fourth Proportional to 383,561,853.98, 529,459,298.08 and 251,411,361.62
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Solution
The fourth proportional to 383,561,853.98, 529,459,298.08 and 251,411,361.62 is: 347,042,026.39
Step by Step Solution
- Step 1: Write the proportion equation
383,561,853.98 : 529,459,298.08 = 251,411,361.62 : x - Step 2: Convert to fraction form
383,561,853.98/529,459,298.08 = 251,411,361.62/x - Step 3: Cross multiply
383,561,853.98x = 529,459,298.08 × 251,411,361.62 - Step 4: Simplify right side
383,561,853.98x = 133,112,083,049,386,432 - Step 5: Solve for x
x = 133,112,083,049,386,432/383,561,853.98 - Step 6: Final answer
x = 347,042,026.39
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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.