Finding the Fourth Proportional to 5,310,454,731.30, 7,328,450,936.07 and 2,931,612,216.24
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Solution
The fourth proportional to 5,310,454,731.30, 7,328,450,936.07 and 2,931,612,216.24 is: 4,045,637,780.07
Step by Step Solution
- Step 1: Write the proportion equation
5,310,454,731.30 : 7,328,450,936.07 = 2,931,612,216.24 : x - Step 2: Convert to fraction form
5,310,454,731.30/7,328,450,936.07 = 2,931,612,216.24/x - Step 3: Cross multiply
5,310,454,731.30x = 7,328,450,936.07 × 2,931,612,216.24 - Step 4: Simplify right side
5,310,454,731.30x = 21,484,176,290,298,273,792 - Step 5: Solve for x
x = 21,484,176,290,298,273,792/5,310,454,731.30 - Step 6: Final answer
x = 4,045,637,780.07
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1.5x scale
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.