Finding the Fourth Proportional to 736,646,063.97, 1,016,582,288.84 and 419,099,475.44
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Solution
The fourth proportional to 736,646,063.97, 1,016,582,288.84 and 419,099,475.44 is: 578,363,375.35
Step by Step Solution
- Step 1: Write the proportion equation
736,646,063.97 : 1,016,582,288.84 = 419,099,475.44 : x - Step 2: Convert to fraction form
736,646,063.97/1,016,582,288.84 = 419,099,475.44/x - Step 3: Cross multiply
736,646,063.97x = 1,016,582,288.84 × 419,099,475.44 - Step 4: Simplify right side
736,646,063.97x = 426,049,103,999,487,552 - Step 5: Solve for x
x = 426,049,103,999,487,552/736,646,063.97 - Step 6: Final answer
x = 578,363,375.35
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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.