Finding the Fourth Proportional to 396,555,630.96, 547,018,777.80 and 247,618,175.28
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Solution
The fourth proportional to 396,555,630.96, 547,018,777.80 and 247,618,175.28 is: 341,570,718.02
Step by Step Solution
- Step 1: Write the proportion equation
396,555,630.96 : 547,018,777.80 = 247,618,175.28 : x - Step 2: Convert to fraction form
396,555,630.96/547,018,777.80 = 247,618,175.28/x - Step 3: Cross multiply
396,555,630.96x = 547,018,777.80 × 247,618,175.28 - Step 4: Simplify right side
396,555,630.96x = 135,451,791,602,731,760 - Step 5: Solve for x
x = 135,451,791,602,731,760/396,555,630.96 - Step 6: Final answer
x = 341,570,718.02
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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.