Finding the Fourth Proportional to 440,967,167.10, 608,592,637.35 and 252,869,070.78
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Solution
The fourth proportional to 440,967,167.10, 608,592,637.35 and 252,869,070.78 is: 348,992,546.77
Step by Step Solution
- Step 1: Write the proportion equation
440,967,167.10 : 608,592,637.35 = 252,869,070.78 : x - Step 2: Convert to fraction form
440,967,167.10/608,592,637.35 = 252,869,070.78/x - Step 3: Cross multiply
440,967,167.10x = 608,592,637.35 × 252,869,070.78 - Step 4: Simplify right side
440,967,167.10x = 153,894,254,690,244,032 - Step 5: Solve for x
x = 153,894,254,690,244,032/440,967,167.10 - Step 6: Final answer
x = 348,992,546.77
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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.