Finding the Fourth Proportional to 359,578,235.20, 539,367,352.80 and 155,504,891.20
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Solution
The fourth proportional to 359,578,235.20, 539,367,352.80 and 155,504,891.20 is: 233,257,336.80
Step by Step Solution
- Step 1: Write the proportion equation
359,578,235.20 : 539,367,352.80 = 155,504,891.20 : x - Step 2: Convert to fraction form
359,578,235.20/539,367,352.80 = 155,504,891.20/x - Step 3: Cross multiply
359,578,235.20x = 539,367,352.80 × 155,504,891.20 - Step 4: Simplify right side
359,578,235.20x = 83,874,261,513,996,000 - Step 5: Solve for x
x = 83,874,261,513,996,000/359,578,235.20 - Step 6: Final answer
x = 233,257,336.80
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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.