Finding the Fourth Proportional to 4,227,264,705.20, 6,340,897,057.80 and 1,122,326,567.60
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Solution
The fourth proportional to 4,227,264,705.20, 6,340,897,057.80 and 1,122,326,567.60 is: 1,683,489,851.40
Step by Step Solution
- Step 1: Write the proportion equation
4,227,264,705.20 : 6,340,897,057.80 = 1,122,326,567.60 : x - Step 2: Convert to fraction form
4,227,264,705.20/6,340,897,057.80 = 1,122,326,567.60/x - Step 3: Cross multiply
4,227,264,705.20x = 6,340,897,057.80 × 1,122,326,567.60 - Step 4: Simplify right side
4,227,264,705.20x = 7,116,557,230,385,612,800 - Step 5: Solve for x
x = 7,116,557,230,385,612,800/4,227,264,705.20 - Step 6: Final answer
x = 1,683,489,851.40
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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.