Finding the Fourth Proportional to 424,247,028.70, 585,129,228.42 and 275,616,038.41
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Solution
The fourth proportional to 424,247,028.70, 585,129,228.42 and 275,616,038.41 is: 380,134,659.73
Step by Step Solution
- Step 1: Write the proportion equation
424,247,028.70 : 585,129,228.42 = 275,616,038.41 : x - Step 2: Convert to fraction form
424,247,028.70/585,129,228.42 = 275,616,038.41/x - Step 3: Cross multiply
424,247,028.70x = 585,129,228.42 × 275,616,038.41 - Step 4: Simplify right side
424,247,028.70x = 161,270,999,895,020,384 - Step 5: Solve for x
x = 161,270,999,895,020,384/424,247,028.70 - Step 6: Final answer
x = 380,134,659.73
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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.