Finding the Fourth Proportional to 498,328,048.20, 747,492,072.30 and 239,480,851.80
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Solution
The fourth proportional to 498,328,048.20, 747,492,072.30 and 239,480,851.80 is: 359,221,277.70
Step by Step Solution
- Step 1: Write the proportion equation
498,328,048.20 : 747,492,072.30 = 239,480,851.80 : x - Step 2: Convert to fraction form
498,328,048.20/747,492,072.30 = 239,480,851.80/x - Step 3: Cross multiply
498,328,048.20x = 747,492,072.30 × 239,480,851.80 - Step 4: Simplify right side
498,328,048.20x = 179,010,038,188,151,168 - Step 5: Solve for x
x = 179,010,038,188,151,168/498,328,048.20 - Step 6: Final answer
x = 359,221,277.70
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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.