Finding the Fourth Proportional to 783,045,073.17, 1,080,630,612.84 and 448,582,236.96
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Solution
The fourth proportional to 783,045,073.17, 1,080,630,612.84 and 448,582,236.96 is: 619,059,763.28
Step by Step Solution
- Step 1: Write the proportion equation
783,045,073.17 : 1,080,630,612.84 = 448,582,236.96 : x - Step 2: Convert to fraction form
783,045,073.17/1,080,630,612.84 = 448,582,236.96/x - Step 3: Cross multiply
783,045,073.17x = 1,080,630,612.84 × 448,582,236.96 - Step 4: Simplify right side
783,045,073.17x = 484,751,697,635,222,848 - Step 5: Solve for x
x = 484,751,697,635,222,848/783,045,073.17 - Step 6: Final answer
x = 619,059,763.28
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1.5x scale
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.