Finding the Fourth Proportional to 2,912,266,118.30, 4,368,399,177.45 and 1,073,338,540.70
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Solution
The fourth proportional to 2,912,266,118.30, 4,368,399,177.45 and 1,073,338,540.70 is: 1,610,007,811.05
Step by Step Solution
- Step 1: Write the proportion equation
2,912,266,118.30 : 4,368,399,177.45 = 1,073,338,540.70 : x - Step 2: Convert to fraction form
2,912,266,118.30/4,368,399,177.45 = 1,073,338,540.70/x - Step 3: Cross multiply
2,912,266,118.30x = 4,368,399,177.45 × 1,073,338,540.70 - Step 4: Simplify right side
2,912,266,118.30x = 4,688,771,198,319,263,744 - Step 5: Solve for x
x = 4,688,771,198,319,263,744/2,912,266,118.30 - Step 6: Final answer
x = 1,610,007,811.05
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1.5x scale
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.