Finding the Fourth Proportional to 418,748,351.96, 627,831,655.68 and 185,451,934.88
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Solution
The fourth proportional to 418,748,351.96, 627,831,655.68 and 185,451,934.88 is: 278,049,083.13
Step by Step Solution
- Step 1: Write the proportion equation
418,748,351.96 : 627,831,655.68 = 185,451,934.88 : x - Step 2: Convert to fraction form
418,748,351.96/627,831,655.68 = 185,451,934.88/x - Step 3: Cross multiply
418,748,351.96x = 627,831,655.68 × 185,451,934.88 - Step 4: Simplify right side
418,748,351.96x = 116,432,595,324,769,936 - Step 5: Solve for x
x = 116,432,595,324,769,936/418,748,351.96 - Step 6: Final answer
x = 278,049,083.13
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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.