Finding the Fourth Proportional to 298,863,901.68, 412,442,440.02 and 173,406,624
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Solution
The fourth proportional to 298,863,901.68, 412,442,440.02 and 173,406,624 is: 239,307,091.68
Step by Step Solution
- Step 1: Write the proportion equation
298,863,901.68 : 412,442,440.02 = 173,406,624 : x - Step 2: Convert to fraction form
298,863,901.68/412,442,440.02 = 173,406,624/x - Step 3: Cross multiply
298,863,901.68x = 412,442,440.02 × 173,406,624 - Step 4: Simplify right side
298,863,901.68x = 71,520,251,118,190,688 - Step 5: Solve for x
x = 71,520,251,118,190,688/298,863,901.68 - Step 6: Final answer
x = 239,307,091.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.