Finding the Fourth Proportional to 366,912,278.60, 550,368,417.90 and 338,852,193.80
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Solution
The fourth proportional to 366,912,278.60, 550,368,417.90 and 338,852,193.80 is: 508,278,290.70
Step by Step Solution
- Step 1: Write the proportion equation
366,912,278.60 : 550,368,417.90 = 338,852,193.80 : x - Step 2: Convert to fraction form
366,912,278.60/550,368,417.90 = 338,852,193.80/x - Step 3: Cross multiply
366,912,278.60x = 550,368,417.90 × 338,852,193.80 - Step 4: Simplify right side
366,912,278.60x = 186,493,545,803,650,176 - Step 5: Solve for x
x = 186,493,545,803,650,176/366,912,278.60 - Step 6: Final answer
x = 508,278,290.70
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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.