Finding the Fourth Proportional to 6,318,798,402.80, 9,478,197,604.20 and 3,219,434,490.80
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Solution
The fourth proportional to 6,318,798,402.80, 9,478,197,604.20 and 3,219,434,490.80 is: 4,829,151,736.20
Step by Step Solution
- Step 1: Write the proportion equation
6,318,798,402.80 : 9,478,197,604.20 = 3,219,434,490.80 : x - Step 2: Convert to fraction form
6,318,798,402.80/9,478,197,604.20 = 3,219,434,490.80/x - Step 3: Cross multiply
6,318,798,402.80x = 9,478,197,604.20 × 3,219,434,490.80 - Step 4: Simplify right side
6,318,798,402.80x = 30,514,436,277,579,411,456 - Step 5: Solve for x
x = 30,514,436,277,579,411,456/6,318,798,402.80 - Step 6: Final answer
x = 4,829,151,736.20
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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.