Finding the Fourth Proportional to 2,199,641,256.30, 3,299,461,884.45 and 1,915,532,897.70
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Solution
The fourth proportional to 2,199,641,256.30, 3,299,461,884.45 and 1,915,532,897.70 is: 2,873,299,346.55
Step by Step Solution
- Step 1: Write the proportion equation
2,199,641,256.30 : 3,299,461,884.45 = 1,915,532,897.70 : x - Step 2: Convert to fraction form
2,199,641,256.30/3,299,461,884.45 = 1,915,532,897.70/x - Step 3: Cross multiply
2,199,641,256.30x = 3,299,461,884.45 × 1,915,532,897.70 - Step 4: Simplify right side
2,199,641,256.30x = 6,320,227,784,371,211,264 - Step 5: Solve for x
x = 6,320,227,784,371,211,264/2,199,641,256.30 - Step 6: Final answer
x = 2,873,299,346.55
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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.