Finding the Fourth Proportional to 888,129,726.92, 1,225,633,533.36 and 486,236,770.88
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Solution
The fourth proportional to 888,129,726.92, 1,225,633,533.36 and 486,236,770.88 is: 671,014,687.92
Step by Step Solution
- Step 1: Write the proportion equation
888,129,726.92 : 1,225,633,533.36 = 486,236,770.88 : x - Step 2: Convert to fraction form
888,129,726.92/1,225,633,533.36 = 486,236,770.88/x - Step 3: Cross multiply
888,129,726.92x = 1,225,633,533.36 × 486,236,770.88 - Step 4: Simplify right side
888,129,726.92x = 595,948,091,543,211,136 - Step 5: Solve for x
x = 595,948,091,543,211,136/888,129,726.92 - Step 6: Final answer
x = 671,014,687.92
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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.