Finding the Fourth Proportional to 8,119,086,702.48, 12,178,683,862.56 and 3,145,360,942.08
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Solution
The fourth proportional to 8,119,086,702.48, 12,178,683,862.56 and 3,145,360,942.08 is: 4,718,062,258.84
Step by Step Solution
- Step 1: Write the proportion equation
8,119,086,702.48 : 12,178,683,862.56 = 3,145,360,942.08 : x - Step 2: Convert to fraction form
8,119,086,702.48/12,178,683,862.56 = 3,145,360,942.08/x - Step 3: Cross multiply
8,119,086,702.48x = 12,178,683,862.56 × 3,145,360,942.08 - Step 4: Simplify right side
8,119,086,702.48x = 38,306,356,547,236,208,640 - Step 5: Solve for x
x = 38,306,356,547,236,208,640/8,119,086,702.48 - Step 6: Final answer
x = 4,718,062,258.84
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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.