Finding the Fourth Proportional to 298,921,174.66, 447,781,497.99 and 148,903,798.42
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Solution
The fourth proportional to 298,921,174.66, 447,781,497.99 and 148,903,798.42 is: 223,056,683.72
Step by Step Solution
- Step 1: Write the proportion equation
298,921,174.66 : 447,781,497.99 = 148,903,798.42 : x - Step 2: Convert to fraction form
298,921,174.66/447,781,497.99 = 148,903,798.42/x - Step 3: Cross multiply
298,921,174.66x = 447,781,497.99 × 148,903,798.42 - Step 4: Simplify right side
298,921,174.66x = 66,676,365,912,908,592 - Step 5: Solve for x
x = 66,676,365,912,908,592/298,921,174.66 - Step 6: Final answer
x = 223,056,683.72
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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.