Finding the Fourth Proportional to 939,874,806.48, 1,409,655,840.56 and 284,670,054.80
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Solution
The fourth proportional to 939,874,806.48, 1,409,655,840.56 and 284,670,054.80 is: 426,957,720.98
Step by Step Solution
- Step 1: Write the proportion equation
939,874,806.48 : 1,409,655,840.56 = 284,670,054.80 : x - Step 2: Convert to fraction form
939,874,806.48/1,409,655,840.56 = 284,670,054.80/x - Step 3: Cross multiply
939,874,806.48x = 1,409,655,840.56 × 284,670,054.80 - Step 4: Simplify right side
939,874,806.48x = 401,286,805,381,355,264 - Step 5: Solve for x
x = 401,286,805,381,355,264/939,874,806.48 - Step 6: Final answer
x = 426,957,720.98
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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.