Finding the Fourth Proportional to 8,119,086,706.48, 12,178,683,868.56 and 3,145,360,946.08
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Solution
The fourth proportional to 8,119,086,706.48, 12,178,683,868.56 and 3,145,360,946.08 is: 4,718,062,264.84
Step by Step Solution
- Step 1: Write the proportion equation
8,119,086,706.48 : 12,178,683,868.56 = 3,145,360,946.08 : x - Step 2: Convert to fraction form
8,119,086,706.48/12,178,683,868.56 = 3,145,360,946.08/x - Step 3: Cross multiply
8,119,086,706.48x = 12,178,683,868.56 × 3,145,360,946.08 - Step 4: Simplify right side
8,119,086,706.48x = 38,306,356,614,823,116,800 - Step 5: Solve for x
x = 38,306,356,614,823,116,800/8,119,086,706.48 - Step 6: Final answer
x = 4,718,062,264.84
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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.