Finding the Fourth Proportional to 464,878,586.36, 641,577,763.32 and 347,199,612.80
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Solution
The fourth proportional to 464,878,586.36, 641,577,763.32 and 347,199,612.80 is: 479,169,309.02
Step by Step Solution
- Step 1: Write the proportion equation
464,878,586.36 : 641,577,763.32 = 347,199,612.80 : x - Step 2: Convert to fraction form
464,878,586.36/641,577,763.32 = 347,199,612.80/x - Step 3: Cross multiply
464,878,586.36x = 641,577,763.32 × 347,199,612.80 - Step 4: Simplify right side
464,878,586.36x = 222,755,551,005,794,080 - Step 5: Solve for x
x = 222,755,551,005,794,080/464,878,586.36 - Step 6: Final answer
x = 479,169,309.02
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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.