Finding the Fourth Proportional to 20,959,247,753,626, 31,439,512,112,880 and 7,190,641,329,562.40
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Solution
The fourth proportional to 20,959,247,753,626, 31,439,512,112,880 and 7,190,641,329,562.40 is: 10,786,181,729,305.72
Step by Step Solution
- Step 1: Write the proportion equation
20,959,247,753,626 : 31,439,512,112,880 = 7,190,641,329,562.40 : x - Step 2: Convert to fraction form
20,959,247,753,626/31,439,512,112,880 = 7,190,641,329,562.40/x - Step 3: Cross multiply
20,959,247,753,626x = 31,439,512,112,880 × 7,190,641,329,562.40 - Step 4: Simplify right side
20,959,247,753,626x = 226,070,255,180,152,649,145,122,816 - Step 5: Solve for x
x = 226,070,255,180,152,649,145,122,816/20,959,247,753,626 - Step 6: Final answer
x = 10,786,181,729,305.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.