Finding the Fourth Proportional to 2,957,753,670.18, 4,081,827,610.20 and 1,637,654,342.82
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Solution
The fourth proportional to 2,957,753,670.18, 4,081,827,610.20 and 1,637,654,342.82 is: 2,260,033,612.63
Step by Step Solution
- Step 1: Write the proportion equation
2,957,753,670.18 : 4,081,827,610.20 = 1,637,654,342.82 : x - Step 2: Convert to fraction form
2,957,753,670.18/4,081,827,610.20 = 1,637,654,342.82/x - Step 3: Cross multiply
2,957,753,670.18x = 4,081,827,610.20 × 1,637,654,342.82 - Step 4: Simplify right side
2,957,753,670.18x = 6,684,622,712,486,611,968 - Step 5: Solve for x
x = 6,684,622,712,486,611,968/2,957,753,670.18 - Step 6: Final answer
x = 2,260,033,612.63
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1.5x scale
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.