Finding the Fourth Proportional to 889,663,405.37, 1,227,735,472.86 and 493,185,390.26
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Solution
The fourth proportional to 889,663,405.37, 1,227,735,472.86 and 493,185,390.26 is: 680,595,823.84
Step by Step Solution
- Step 1: Write the proportion equation
889,663,405.37 : 1,227,735,472.86 = 493,185,390.26 : x - Step 2: Convert to fraction form
889,663,405.37/1,227,735,472.86 = 493,185,390.26/x - Step 3: Cross multiply
889,663,405.37x = 1,227,735,472.86 × 493,185,390.26 - Step 4: Simplify right side
889,663,405.37x = 605,501,198,312,365,952 - Step 5: Solve for x
x = 605,501,198,312,365,952/889,663,405.37 - Step 6: Final answer
x = 680,595,823.84
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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.