Finding the Fourth Proportional to 741,607,233.26, 1,023,419,102.95 and 402,515,830.35
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Solution
The fourth proportional to 741,607,233.26, 1,023,419,102.95 and 402,515,830.35 is: 555,472,454.35
Step by Step Solution
- Step 1: Write the proportion equation
741,607,233.26 : 1,023,419,102.95 = 402,515,830.35 : x - Step 2: Convert to fraction form
741,607,233.26/1,023,419,102.95 = 402,515,830.35/x - Step 3: Cross multiply
741,607,233.26x = 1,023,419,102.95 × 402,515,830.35 - Step 4: Simplify right side
741,607,233.26x = 411,942,390,019,971,456 - Step 5: Solve for x
x = 411,942,390,019,971,456/741,607,233.26 - Step 6: Final answer
x = 555,472,454.35
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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.