Finding the Fourth Proportional to 1,514,996,702.96, 2,270,486,076.20 and 778,036,839.44
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Solution
The fourth proportional to 1,514,996,702.96, 2,270,486,076.20 and 778,036,839.44 is: 1,166,023,534.75
Step by Step Solution
- Step 1: Write the proportion equation
1,514,996,702.96 : 2,270,486,076.20 = 778,036,839.44 : x - Step 2: Convert to fraction form
1,514,996,702.96/2,270,486,076.20 = 778,036,839.44/x - Step 3: Cross multiply
1,514,996,702.96x = 2,270,486,076.20 × 778,036,839.44 - Step 4: Simplify right side
1,514,996,702.96x = 1,766,521,810,719,174,912 - Step 5: Solve for x
x = 1,766,521,810,719,174,912/1,514,996,702.96 - Step 6: Final answer
x = 1,166,023,534.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.