Finding the Fourth Proportional to 4,872,303,967.20, 6,723,605,505.98 and 2,757,714,510.68
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Solution
The fourth proportional to 4,872,303,967.20, 6,723,605,505.98 and 2,757,714,510.68 is: 3,805,547,558.75
Step by Step Solution
- Step 1: Write the proportion equation
4,872,303,967.20 : 6,723,605,505.98 = 2,757,714,510.68 : x - Step 2: Convert to fraction form
4,872,303,967.20/6,723,605,505.98 = 2,757,714,510.68/x - Step 3: Cross multiply
4,872,303,967.20x = 6,723,605,505.98 × 2,757,714,510.68 - Step 4: Simplify right side
4,872,303,967.20x = 18,541,784,467,881,586,688 - Step 5: Solve for x
x = 18,541,784,467,881,586,688/4,872,303,967.20 - Step 6: Final answer
x = 3,805,547,558.75
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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.