Finding the Fourth Proportional to 539,668,762.21, 744,729,184.97 and 301,515,779.94
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Solution
The fourth proportional to 539,668,762.21, 744,729,184.97 and 301,515,779.94 is: 416,084,118.20
Step by Step Solution
- Step 1: Write the proportion equation
539,668,762.21 : 744,729,184.97 = 301,515,779.94 : x - Step 2: Convert to fraction form
539,668,762.21/744,729,184.97 = 301,515,779.94/x - Step 3: Cross multiply
539,668,762.21x = 744,729,184.97 × 301,515,779.94 - Step 4: Simplify right side
539,668,762.21x = 224,547,601,047,150,912 - Step 5: Solve for x
x = 224,547,601,047,150,912/539,668,762.21 - Step 6: Final answer
x = 416,084,118.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.