Finding the Fourth Proportional to 352,638,701.19, 527,807,035.98 and 259,240,949.19
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Solution
The fourth proportional to 352,638,701.19, 527,807,035.98 and 259,240,949.19 is: 388,015,259.06
Step by Step Solution
- Step 1: Write the proportion equation
352,638,701.19 : 527,807,035.98 = 259,240,949.19 : x - Step 2: Convert to fraction form
352,638,701.19/527,807,035.98 = 259,240,949.19/x - Step 3: Cross multiply
352,638,701.19x = 527,807,035.98 × 259,240,949.19 - Step 4: Simplify right side
352,638,701.19x = 136,829,196,996,615,680 - Step 5: Solve for x
x = 136,829,196,996,615,680/352,638,701.19 - Step 6: Final answer
x = 388,015,259.06
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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.