Finding the Fourth Proportional to 298,100,883.12, 447,193,315.20 and 103,983,987.84
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Solution
The fourth proportional to 298,100,883.12, 447,193,315.20 and 103,983,987.84 is: 155,990,628.95
Step by Step Solution
- Step 1: Write the proportion equation
298,100,883.12 : 447,193,315.20 = 103,983,987.84 : x - Step 2: Convert to fraction form
298,100,883.12/447,193,315.20 = 103,983,987.84/x - Step 3: Cross multiply
298,100,883.12x = 447,193,315.20 × 103,983,987.84 - Step 4: Simplify right side
298,100,883.12x = 46,500,944,249,886,088 - Step 5: Solve for x
x = 46,500,944,249,886,088/298,100,883.12 - Step 6: Final answer
x = 155,990,628.95
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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.