Finding the Fourth Proportional to 2,834,514,244.80, 4,256,306,330.40 and 2,145,199,838.40
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Solution
The fourth proportional to 2,834,514,244.80, 4,256,306,330.40 and 2,145,199,838.40 is: 3,221,231,880.88
Step by Step Solution
- Step 1: Write the proportion equation
2,834,514,244.80 : 4,256,306,330.40 = 2,145,199,838.40 : x - Step 2: Convert to fraction form
2,834,514,244.80/4,256,306,330.40 = 2,145,199,838.40/x - Step 3: Cross multiply
2,834,514,244.80x = 4,256,306,330.40 × 2,145,199,838.40 - Step 4: Simplify right side
2,834,514,244.80x = 9,130,627,652,154,977,280 - Step 5: Solve for x
x = 9,130,627,652,154,977,280/2,834,514,244.80 - Step 6: Final answer
x = 3,221,231,880.88
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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.