Finding the Fourth Proportional to 7,187,670,859.53, 10,781,725,932.97 and 2,465,926,543.28
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Solution
The fourth proportional to 7,187,670,859.53, 10,781,725,932.97 and 2,465,926,543.28 is: 3,698,965,169.67
Step by Step Solution
- Step 1: Write the proportion equation
7,187,670,859.53 : 10,781,725,932.97 = 2,465,926,543.28 : x - Step 2: Convert to fraction form
7,187,670,859.53/10,781,725,932.97 = 2,465,926,543.28/x - Step 3: Cross multiply
7,187,670,859.53x = 10,781,725,932.97 × 2,465,926,543.28 - Step 4: Simplify right side
7,187,670,859.53x = 26,586,944,160,481,046,528 - Step 5: Solve for x
x = 26,586,944,160,481,046,528/7,187,670,859.53 - Step 6: Final answer
x = 3,698,965,169.67
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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.