Finding the Fourth Proportional to 466,157,000.62, 643,296,563.86 and 257,313,087.92
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Solution
The fourth proportional to 466,157,000.62, 643,296,563.86 and 257,313,087.92 is: 355,092,007.79
Step by Step Solution
- Step 1: Write the proportion equation
466,157,000.62 : 643,296,563.86 = 257,313,087.92 : x - Step 2: Convert to fraction form
466,157,000.62/643,296,563.86 = 257,313,087.92/x - Step 3: Cross multiply
466,157,000.62x = 643,296,563.86 × 257,313,087.92 - Step 4: Simplify right side
466,157,000.62x = 165,528,625,295,142,080 - Step 5: Solve for x
x = 165,528,625,295,142,080/466,157,000.62 - Step 6: Final answer
x = 355,092,007.79
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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.