Finding the Fourth Proportional to 5,038,864,043.30, 7,558,296,064.95 and 3,460,696,849.70
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Solution
The fourth proportional to 5,038,864,043.30, 7,558,296,064.95 and 3,460,696,849.70 is: 5,191,045,274.55
Step by Step Solution
- Step 1: Write the proportion equation
5,038,864,043.30 : 7,558,296,064.95 = 3,460,696,849.70 : x - Step 2: Convert to fraction form
5,038,864,043.30/7,558,296,064.95 = 3,460,696,849.70/x - Step 3: Cross multiply
5,038,864,043.30x = 7,558,296,064.95 × 3,460,696,849.70 - Step 4: Simplify right side
5,038,864,043.30x = 26,156,971,381,072,367,616 - Step 5: Solve for x
x = 26,156,971,381,072,367,616/5,038,864,043.30 - Step 6: Final answer
x = 5,191,045,274.55
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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.