Finding the Fourth Proportional to 658,793,148.13, 988,196,809.14 and 198,735,305.41
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Solution
The fourth proportional to 658,793,148.13, 988,196,809.14 and 198,735,305.41 is: 298,105,096.00
Step by Step Solution
- Step 1: Write the proportion equation
658,793,148.13 : 988,196,809.14 = 198,735,305.41 : x - Step 2: Convert to fraction form
658,793,148.13/988,196,809.14 = 198,735,305.41/x - Step 3: Cross multiply
658,793,148.13x = 988,196,809.14 × 198,735,305.41 - Step 4: Simplify right side
658,793,148.13x = 196,389,594,669,625,376 - Step 5: Solve for x
x = 196,389,594,669,625,376/658,793,148.13 - Step 6: Final answer
x = 298,105,096.00
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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.