Finding the Fourth Proportional to 743,145,210.70, 1,114,717,816.05 and 498,257,197.90
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Solution
The fourth proportional to 743,145,210.70, 1,114,717,816.05 and 498,257,197.90 is: 747,385,796.85
Step by Step Solution
- Step 1: Write the proportion equation
743,145,210.70 : 1,114,717,816.05 = 498,257,197.90 : x - Step 2: Convert to fraction form
743,145,210.70/1,114,717,816.05 = 498,257,197.90/x - Step 3: Cross multiply
743,145,210.70x = 1,114,717,816.05 × 498,257,197.90 - Step 4: Simplify right side
743,145,210.70x = 555,416,175,474,280,576 - Step 5: Solve for x
x = 555,416,175,474,280,576/743,145,210.70 - Step 6: Final answer
x = 747,385,796.85
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Double scale
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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.