Finding the Fourth Proportional to 7,271,907,279.20, 10,035,236,341.84 and 4,056,817,280.48
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Solution
The fourth proportional to 7,271,907,279.20, 10,035,236,341.84 and 4,056,817,280.48 is: 5,598,410,244.00
Step by Step Solution
- Step 1: Write the proportion equation
7,271,907,279.20 : 10,035,236,341.84 = 4,056,817,280.48 : x - Step 2: Convert to fraction form
7,271,907,279.20/10,035,236,341.84 = 4,056,817,280.48/x - Step 3: Cross multiply
7,271,907,279.20x = 10,035,236,341.84 × 4,056,817,280.48 - Step 4: Simplify right side
7,271,907,279.20x = 40,711,120,205,277,413,376 - Step 5: Solve for x
x = 40,711,120,205,277,413,376/7,271,907,279.20 - Step 6: Final answer
x = 5,598,410,244.00
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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.