Finding the Fourth Proportional to 4,934,714,966.20, 7,402,311,619.61 and 1,618,236,148.06
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Solution
The fourth proportional to 4,934,714,966.20, 7,402,311,619.61 and 1,618,236,148.06 is: 2,427,432,652.97
Step by Step Solution
- Step 1: Write the proportion equation
4,934,714,966.20 : 7,402,311,619.61 = 1,618,236,148.06 : x - Step 2: Convert to fraction form
4,934,714,966.20/7,402,311,619.61 = 1,618,236,148.06/x - Step 3: Cross multiply
4,934,714,966.20x = 7,402,311,619.61 × 1,618,236,148.06 - Step 4: Simplify right side
4,934,714,966.20x = 11,978,688,242,024,501,248 - Step 5: Solve for x
x = 11,978,688,242,024,501,248/4,934,714,966.20 - Step 6: Final answer
x = 2,427,432,652.97
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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.