Finding the Fourth Proportional to 549,504,842.40, 824,257,263.60 and 545,678,467.20
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Solution
The fourth proportional to 549,504,842.40, 824,257,263.60 and 545,678,467.20 is: 818,517,700.80
Step by Step Solution
- Step 1: Write the proportion equation
549,504,842.40 : 824,257,263.60 = 545,678,467.20 : x - Step 2: Convert to fraction form
549,504,842.40/824,257,263.60 = 545,678,467.20/x - Step 3: Cross multiply
549,504,842.40x = 824,257,263.60 × 545,678,467.20 - Step 4: Simplify right side
549,504,842.40x = 449,779,440,179,714,432 - Step 5: Solve for x
x = 449,779,440,179,714,432/549,504,842.40 - Step 6: Final answer
x = 818,517,700.80
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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.