Finding the Fourth Proportional to 3,980,035,532.40, 5,492,468,130.84 and 2,195,888,884.08
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Solution
The fourth proportional to 3,980,035,532.40, 5,492,468,130.84 and 2,195,888,884.08 is: 3,030,337,195.86
Step by Step Solution
- Step 1: Write the proportion equation
3,980,035,532.40 : 5,492,468,130.84 = 2,195,888,884.08 : x - Step 2: Convert to fraction form
3,980,035,532.40/5,492,468,130.84 = 2,195,888,884.08/x - Step 3: Cross multiply
3,980,035,532.40x = 5,492,468,130.84 × 2,195,888,884.08 - Step 4: Simplify right side
3,980,035,532.40x = 12,060,849,714,675,210,240 - Step 5: Solve for x
x = 12,060,849,714,675,210,240/3,980,035,532.40 - Step 6: Final answer
x = 3,030,337,195.86
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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.