Finding the Fourth Proportional to 549,728,743.68, 824,986,529.46 and 199,974,135.54
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Solution
The fourth proportional to 549,728,743.68, 824,986,529.46 and 199,974,135.54 is: 300,104,315.01
Step by Step Solution
- Step 1: Write the proportion equation
549,728,743.68 : 824,986,529.46 = 199,974,135.54 : x - Step 2: Convert to fraction form
549,728,743.68/824,986,529.46 = 199,974,135.54/x - Step 3: Cross multiply
549,728,743.68x = 824,986,529.46 × 199,974,135.54 - Step 4: Simplify right side
549,728,743.68x = 164,975,968,060,908,256 - Step 5: Solve for x
x = 164,975,968,060,908,256/549,728,743.68 - Step 6: Final answer
x = 300,104,315.01
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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.