Finding the Fourth Proportional to 331,988,836.36, 497,896,334.88 and 98,756,707.92
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Solution
The fourth proportional to 331,988,836.36, 497,896,334.88 and 98,756,707.92 is: 148,109,205.89
Step by Step Solution
- Step 1: Write the proportion equation
331,988,836.36 : 497,896,334.88 = 98,756,707.92 : x - Step 2: Convert to fraction form
331,988,836.36/497,896,334.88 = 98,756,707.92/x - Step 3: Cross multiply
331,988,836.36x = 497,896,334.88 × 98,756,707.92 - Step 4: Simplify right side
331,988,836.36x = 49,170,602,918,182,672 - Step 5: Solve for x
x = 49,170,602,918,182,672/331,988,836.36 - Step 6: Final answer
x = 148,109,205.89
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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.