Finding the Fourth Proportional to 616,818,956.40, 925,231,583.88 and 207,878,649.84
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Solution
The fourth proportional to 616,818,956.40, 925,231,583.88 and 207,878,649.84 is: 311,819,036.12
Step by Step Solution
- Step 1: Write the proportion equation
616,818,956.40 : 925,231,583.88 = 207,878,649.84 : x - Step 2: Convert to fraction form
616,818,956.40/925,231,583.88 = 207,878,649.84/x - Step 3: Cross multiply
616,818,956.40x = 925,231,583.88 × 207,878,649.84 - Step 4: Simplify right side
616,818,956.40x = 192,335,892,446,299,104 - Step 5: Solve for x
x = 192,335,892,446,299,104/616,818,956.40 - Step 6: Final answer
x = 311,819,036.12
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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.