Finding the Fourth Proportional to 491,445,762, 678,190,686.48 and 268,427,397.12
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Solution
The fourth proportional to 491,445,762, 678,190,686.48 and 268,427,397.12 is: 370,427,369.20
Step by Step Solution
- Step 1: Write the proportion equation
491,445,762 : 678,190,686.48 = 268,427,397.12 : x - Step 2: Convert to fraction form
491,445,762/678,190,686.48 = 268,427,397.12/x - Step 3: Cross multiply
491,445,762x = 678,190,686.48 × 268,427,397.12 - Step 4: Simplify right side
491,445,762x = 182,044,960,722,852,384 - Step 5: Solve for x
x = 182,044,960,722,852,384/491,445,762 - Step 6: Final answer
x = 370,427,369.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.