Finding the Fourth Proportional to 285,660,708.48, 393,846,827.04 and 185,011,309.44
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Solution
The fourth proportional to 285,660,708.48, 393,846,827.04 and 185,011,309.44 is: 255,079,242.70
Step by Step Solution
- Step 1: Write the proportion equation
285,660,708.48 : 393,846,827.04 = 185,011,309.44 : x - Step 2: Convert to fraction form
285,660,708.48/393,846,827.04 = 185,011,309.44/x - Step 3: Cross multiply
285,660,708.48x = 393,846,827.04 × 185,011,309.44 - Step 4: Simplify right side
285,660,708.48x = 72,866,117,189,459,600 - Step 5: Solve for x
x = 72,866,117,189,459,600/285,660,708.48 - Step 6: Final answer
x = 255,079,242.70
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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.