Finding the Fourth Proportional to 275,720,351.60, 413,155,374.60 and 239,157,210.80
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Solution
The fourth proportional to 275,720,351.60, 413,155,374.60 and 239,157,210.80 is: 358,367,042.70
Step by Step Solution
- Step 1: Write the proportion equation
275,720,351.60 : 413,155,374.60 = 239,157,210.80 : x - Step 2: Convert to fraction form
275,720,351.60/413,155,374.60 = 239,157,210.80/x - Step 3: Cross multiply
275,720,351.60x = 413,155,374.60 × 239,157,210.80 - Step 4: Simplify right side
275,720,351.60x = 98,809,087,016,365,184 - Step 5: Solve for x
x = 98,809,087,016,365,184/275,720,351.60 - Step 6: Final answer
x = 358,367,042.70
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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.