Finding the Fourth Proportional to 397,289,430.80, 595,959,336.12 and 124,670,957.84
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Solution
The fourth proportional to 397,289,430.80, 595,959,336.12 and 124,670,957.84 is: 187,014,341.45
Step by Step Solution
- Step 1: Write the proportion equation
397,289,430.80 : 595,959,336.12 = 124,670,957.84 : x - Step 2: Convert to fraction form
397,289,430.80/595,959,336.12 = 124,670,957.84/x - Step 3: Cross multiply
397,289,430.80x = 595,959,336.12 × 124,670,957.84 - Step 4: Simplify right side
397,289,430.80x = 74,298,821,267,770,912 - Step 5: Solve for x
x = 74,298,821,267,770,912/397,289,430.80 - Step 6: Final answer
x = 187,014,341.45
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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.