Finding the Fourth Proportional to 873,209,853.28, 1,205,573,527.97 and 555,849,231.31
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Solution
The fourth proportional to 873,209,853.28, 1,205,573,527.97 and 555,849,231.31 is: 767,418,182.80
Step by Step Solution
- Step 1: Write the proportion equation
873,209,853.28 : 1,205,573,527.97 = 555,849,231.31 : x - Step 2: Convert to fraction form
873,209,853.28/1,205,573,527.97 = 555,849,231.31/x - Step 3: Cross multiply
873,209,853.28x = 1,205,573,527.97 × 555,849,231.31 - Step 4: Simplify right side
873,209,853.28x = 670,117,118,809,809,280 - Step 5: Solve for x
x = 670,117,118,809,809,280/873,209,853.28 - Step 6: Final answer
x = 767,418,182.80
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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.