Finding the Fourth Proportional to 420,820,467.53, 580,750,180.05 and 235,181,477.75
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Solution
The fourth proportional to 420,820,467.53, 580,750,180.05 and 235,181,477.75 is: 324,560,462.44
Step by Step Solution
- Step 1: Write the proportion equation
420,820,467.53 : 580,750,180.05 = 235,181,477.75 : x - Step 2: Convert to fraction form
420,820,467.53/580,750,180.05 = 235,181,477.75/x - Step 3: Cross multiply
420,820,467.53x = 580,750,180.05 × 235,181,477.75 - Step 4: Simplify right side
420,820,467.53x = 136,581,685,544,833,808 - Step 5: Solve for x
x = 136,581,685,544,833,808/420,820,467.53 - Step 6: Final answer
x = 324,560,462.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.