Finding the Fourth Proportional to 7,269,043,149.63, 10,031,279,565.74 and 3,927,541,432.01
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Solution
The fourth proportional to 7,269,043,149.63, 10,031,279,565.74 and 3,927,541,432.01 is: 5,420,007,186.57
Step by Step Solution
- Step 1: Write the proportion equation
7,269,043,149.63 : 10,031,279,565.74 = 3,927,541,432.01 : x - Step 2: Convert to fraction form
7,269,043,149.63/10,031,279,565.74 = 3,927,541,432.01/x - Step 3: Cross multiply
7,269,043,149.63x = 10,031,279,565.74 × 3,927,541,432.01 - Step 4: Simplify right side
7,269,043,149.63x = 39,398,266,110,449,336,320 - Step 5: Solve for x
x = 39,398,266,110,449,336,320/7,269,043,149.63 - Step 6: Final answer
x = 5,420,007,186.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.