Finding the Fourth Proportional to 437,006,283.60, 603,069,319.84 and 248,834,730.88
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Solution
The fourth proportional to 437,006,283.60, 603,069,319.84 and 248,834,730.88 is: 343,392,297.86
Step by Step Solution
- Step 1: Write the proportion equation
437,006,283.60 : 603,069,319.84 = 248,834,730.88 : x - Step 2: Convert to fraction form
437,006,283.60/603,069,319.84 = 248,834,730.88/x - Step 3: Cross multiply
437,006,283.60x = 603,069,319.84 × 248,834,730.88 - Step 4: Simplify right side
437,006,283.60x = 150,064,591,904,371,040 - Step 5: Solve for x
x = 150,064,591,904,371,040/437,006,283.60 - Step 6: Final answer
x = 343,392,297.86
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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.