Finding the Fourth Proportional to 2,666,781,443.84, 3,999,324,320.46 and 2,492,683,931.03
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Solution
The fourth proportional to 2,666,781,443.84, 3,999,324,320.46 and 2,492,683,931.03 is: 3,738,233,401.77
Step by Step Solution
- Step 1: Write the proportion equation
2,666,781,443.84 : 3,999,324,320.46 = 2,492,683,931.03 : x - Step 2: Convert to fraction form
2,666,781,443.84/3,999,324,320.46 = 2,492,683,931.03/x - Step 3: Cross multiply
2,666,781,443.84x = 3,999,324,320.46 × 2,492,683,931.03 - Step 4: Simplify right side
2,666,781,443.84x = 9,969,051,468,568,119,296 - Step 5: Solve for x
x = 9,969,051,468,568,119,296/2,666,781,443.84 - Step 6: Final answer
x = 3,738,233,401.77
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1.5x scale
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.