Finding the Fourth Proportional to 372,152,639.63, 513,189,975.92 and 246,661,261.96
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Solution
The fourth proportional to 372,152,639.63, 513,189,975.92 and 246,661,261.96 is: 340,140,237.12
Step by Step Solution
- Step 1: Write the proportion equation
372,152,639.63 : 513,189,975.92 = 246,661,261.96 : x - Step 2: Convert to fraction form
372,152,639.63/513,189,975.92 = 246,661,261.96/x - Step 3: Cross multiply
372,152,639.63x = 513,189,975.92 × 246,661,261.96 - Step 4: Simplify right side
372,152,639.63x = 126,584,087,086,069,440 - Step 5: Solve for x
x = 126,584,087,086,069,440/372,152,639.63 - Step 6: Final answer
x = 340,140,237.12
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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.