Finding the Fourth Proportional to 1,374,480,265.20, 2,061,720,397.80 and 501,110,125.80
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Solution
The fourth proportional to 1,374,480,265.20, 2,061,720,397.80 and 501,110,125.80 is: 751,665,188.70
Step by Step Solution
- Step 1: Write the proportion equation
1,374,480,265.20 : 2,061,720,397.80 = 501,110,125.80 : x - Step 2: Convert to fraction form
1,374,480,265.20/2,061,720,397.80 = 501,110,125.80/x - Step 3: Cross multiply
1,374,480,265.20x = 2,061,720,397.80 × 501,110,125.80 - Step 4: Simplify right side
1,374,480,265.20x = 1,033,148,967,905,984,000 - Step 5: Solve for x
x = 1,033,148,967,905,984,000/1,374,480,265.20 - Step 6: Final answer
x = 751,665,188.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.