Finding the Fourth Proportional to 306,645,620.10, 459,968,430.15 and 197,806,503.30
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Solution
The fourth proportional to 306,645,620.10, 459,968,430.15 and 197,806,503.30 is: 296,709,754.95
Step by Step Solution
- Step 1: Write the proportion equation
306,645,620.10 : 459,968,430.15 = 197,806,503.30 : x - Step 2: Convert to fraction form
306,645,620.10/459,968,430.15 = 197,806,503.30/x - Step 3: Cross multiply
306,645,620.10x = 459,968,430.15 × 197,806,503.30 - Step 4: Simplify right side
306,645,620.10x = 90,984,746,796,361,792 - Step 5: Solve for x
x = 90,984,746,796,361,792/306,645,620.10 - Step 6: Final answer
x = 296,709,754.95
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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.