Finding the Fourth Proportional to 578,047,639.22, 797,706,529.89 and 313,729,635.68
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Solution
The fourth proportional to 578,047,639.22, 797,706,529.89 and 313,729,635.68 is: 432,947,324.79
Step by Step Solution
- Step 1: Write the proportion equation
578,047,639.22 : 797,706,529.89 = 313,729,635.68 : x - Step 2: Convert to fraction form
578,047,639.22/797,706,529.89 = 313,729,635.68/x - Step 3: Cross multiply
578,047,639.22x = 797,706,529.89 × 313,729,635.68 - Step 4: Simplify right side
578,047,639.22x = 250,264,179,001,946,720 - Step 5: Solve for x
x = 250,264,179,001,946,720/578,047,639.22 - Step 6: Final answer
x = 432,947,324.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.