Finding the Fourth Proportional to 498,329,998.20, 747,494,997.30 and 239,482,801.80
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Solution
The fourth proportional to 498,329,998.20, 747,494,997.30 and 239,482,801.80 is: 359,224,202.70
Step by Step Solution
- Step 1: Write the proportion equation
498,329,998.20 : 747,494,997.30 = 239,482,801.80 : x - Step 2: Convert to fraction form
498,329,998.20/747,494,997.30 = 239,482,801.80/x - Step 3: Cross multiply
498,329,998.20x = 747,494,997.30 × 239,482,801.80 - Step 4: Simplify right side
498,329,998.20x = 179,012,196,284,887,424 - Step 5: Solve for x
x = 179,012,196,284,887,424/498,329,998.20 - Step 6: Final answer
x = 359,224,202.70
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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.