Finding the Fourth Proportional to 3,149,286,663.67, 4,346,147,628.71 and 1,811,177,798.18
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Solution
The fourth proportional to 3,149,286,663.67, 4,346,147,628.71 and 1,811,177,798.18 is: 2,499,501,294.55
Step by Step Solution
- Step 1: Write the proportion equation
3,149,286,663.67 : 4,346,147,628.71 = 1,811,177,798.18 : x - Step 2: Convert to fraction form
3,149,286,663.67/4,346,147,628.71 = 1,811,177,798.18/x - Step 3: Cross multiply
3,149,286,663.67x = 4,346,147,628.71 × 1,811,177,798.18 - Step 4: Simplify right side
3,149,286,663.67x = 7,871,646,092,743,218,176 - Step 5: Solve for x
x = 7,871,646,092,743,218,176/3,149,286,663.67 - Step 6: Final answer
x = 2,499,501,294.55
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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.