Finding the Fourth Proportional to 298,592,386.76, 412,234,250.16 and 265,461,124.80
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Solution
The fourth proportional to 298,592,386.76, 412,234,250.16 and 265,461,124.80 is: 366,493,496.09
Step by Step Solution
- Step 1: Write the proportion equation
298,592,386.76 : 412,234,250.16 = 265,461,124.80 : x - Step 2: Convert to fraction form
298,592,386.76/412,234,250.16 = 265,461,124.80/x - Step 3: Cross multiply
298,592,386.76x = 412,234,250.16 × 265,461,124.80 - Step 4: Simplify right side
298,592,386.76x = 109,432,167,728,558,192 - Step 5: Solve for x
x = 109,432,167,728,558,192/298,592,386.76 - Step 6: Final answer
x = 366,493,496.09
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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.