Finding the Fourth Proportional to 1,771,619,766.22, 2,657,430,582.45 and 461,518,353.10
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Solution
The fourth proportional to 1,771,619,766.22, 2,657,430,582.45 and 461,518,353.10 is: 692,277,772.73
Step by Step Solution
- Step 1: Write the proportion equation
1,771,619,766.22 : 2,657,430,582.45 = 461,518,353.10 : x - Step 2: Convert to fraction form
1,771,619,766.22/2,657,430,582.45 = 461,518,353.10/x - Step 3: Cross multiply
1,771,619,766.22x = 2,657,430,582.45 × 461,518,353.10 - Step 4: Simplify right side
1,771,619,766.22x = 1,226,452,985,889,897,728 - Step 5: Solve for x
x = 1,226,452,985,889,897,728/1,771,619,766.22 - Step 6: Final answer
x = 692,277,772.73
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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.