Finding the Fourth Proportional to 379,115,374.17, 568,695,106.58 and 106,507,398.81
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Solution
The fourth proportional to 379,115,374.17, 568,695,106.58 and 106,507,398.81 is: 159,767,291.55
Step by Step Solution
- Step 1: Write the proportion equation
379,115,374.17 : 568,695,106.58 = 106,507,398.81 : x - Step 2: Convert to fraction form
379,115,374.17/568,695,106.58 = 106,507,398.81/x - Step 3: Cross multiply
379,115,374.17x = 568,695,106.58 × 106,507,398.81 - Step 4: Simplify right side
379,115,374.17x = 60,570,236,517,278,984 - Step 5: Solve for x
x = 60,570,236,517,278,984/379,115,374.17 - Step 6: Final answer
x = 159,767,291.55
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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.