Finding the Fourth Proportional to 354,823,348.80, 532,235,023.20 and 239,937,614.40
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Solution
The fourth proportional to 354,823,348.80, 532,235,023.20 and 239,937,614.40 is: 359,906,421.60
Step by Step Solution
- Step 1: Write the proportion equation
354,823,348.80 : 532,235,023.20 = 239,937,614.40 : x - Step 2: Convert to fraction form
354,823,348.80/532,235,023.20 = 239,937,614.40/x - Step 3: Cross multiply
354,823,348.80x = 532,235,023.20 × 239,937,614.40 - Step 4: Simplify right side
354,823,348.80x = 127,703,201,766,736,656 - Step 5: Solve for x
x = 127,703,201,766,736,656/354,823,348.80 - Step 6: Final answer
x = 359,906,421.60
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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.