Finding the Fourth Proportional to 2,690,585,114.40, 4,035,877,671.60 and 2,574,358,967.70
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Solution
The fourth proportional to 2,690,585,114.40, 4,035,877,671.60 and 2,574,358,967.70 is: 3,861,538,451.55
Step by Step Solution
- Step 1: Write the proportion equation
2,690,585,114.40 : 4,035,877,671.60 = 2,574,358,967.70 : x - Step 2: Convert to fraction form
2,690,585,114.40/4,035,877,671.60 = 2,574,358,967.70/x - Step 3: Cross multiply
2,690,585,114.40x = 4,035,877,671.60 × 2,574,358,967.70 - Step 4: Simplify right side
2,690,585,114.40x = 10,389,797,876,423,655,424 - Step 5: Solve for x
x = 10,389,797,876,423,655,424/2,690,585,114.40 - Step 6: Final answer
x = 3,861,538,451.55
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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.