Finding the Fourth Proportional to 354,828,000.30, 532,242,000.45 and 328,285,920.30
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Solution
The fourth proportional to 354,828,000.30, 532,242,000.45 and 328,285,920.30 is: 492,428,880.45
Step by Step Solution
- Step 1: Write the proportion equation
354,828,000.30 : 532,242,000.45 = 328,285,920.30 : x - Step 2: Convert to fraction form
354,828,000.30/532,242,000.45 = 328,285,920.30/x - Step 3: Cross multiply
354,828,000.30x = 532,242,000.45 × 328,285,920.30 - Step 4: Simplify right side
354,828,000.30x = 174,727,554,940,041,280 - Step 5: Solve for x
x = 174,727,554,940,041,280/354,828,000.30 - Step 6: Final answer
x = 492,428,880.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.