Finding the Fourth Proportional to 827,051,338.65, 1,141,331,084.52 and 450,708,031.99
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Solution
The fourth proportional to 827,051,338.65, 1,141,331,084.52 and 450,708,031.99 is: 621,977,213.40
Step by Step Solution
- Step 1: Write the proportion equation
827,051,338.65 : 1,141,331,084.52 = 450,708,031.99 : x - Step 2: Convert to fraction form
827,051,338.65/1,141,331,084.52 = 450,708,031.99/x - Step 3: Cross multiply
827,051,338.65x = 1,141,331,084.52 × 450,708,031.99 - Step 4: Simplify right side
827,051,338.65x = 514,407,086,952,780,544 - Step 5: Solve for x
x = 514,407,086,952,780,544/827,051,338.65 - Step 6: Final answer
x = 621,977,213.40
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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.