Finding the Fourth Proportional to 619,899,485.24, 855,461,212.87 and 341,441,008.81
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Solution
The fourth proportional to 619,899,485.24, 855,461,212.87 and 341,441,008.81 is: 471,188,549.88
Step by Step Solution
- Step 1: Write the proportion equation
619,899,485.24 : 855,461,212.87 = 341,441,008.81 : x - Step 2: Convert to fraction form
619,899,485.24/855,461,212.87 = 341,441,008.81/x - Step 3: Cross multiply
619,899,485.24x = 855,461,212.87 × 341,441,008.81 - Step 4: Simplify right side
619,899,485.24x = 292,089,539,520,158,976 - Step 5: Solve for x
x = 292,089,539,520,158,976/619,899,485.24 - Step 6: Final answer
x = 471,188,549.88
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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.