Finding the Fourth Proportional to 549,504,600.90, 824,256,901.35 and 545,678,225.70
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Solution
The fourth proportional to 549,504,600.90, 824,256,901.35 and 545,678,225.70 is: 818,517,338.55
Step by Step Solution
- Step 1: Write the proportion equation
549,504,600.90 : 824,256,901.35 = 545,678,225.70 : x - Step 2: Convert to fraction form
549,504,600.90/824,256,901.35 = 545,678,225.70/x - Step 3: Cross multiply
549,504,600.90x = 824,256,901.35 × 545,678,225.70 - Step 4: Simplify right side
549,504,600.90x = 449,779,043,449,648,000 - Step 5: Solve for x
x = 449,779,043,449,648,000/549,504,600.90 - Step 6: Final answer
x = 818,517,338.55
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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.