Finding the Fourth Proportional to 4,012,452,196.41, 5,536,519,655.97 and 2,319,064,529.70
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Solution
The fourth proportional to 4,012,452,196.41, 5,536,519,655.97 and 2,319,064,529.70 is: 3,199,925,064.19
Step by Step Solution
- Step 1: Write the proportion equation
4,012,452,196.41 : 5,536,519,655.97 = 2,319,064,529.70 : x - Step 2: Convert to fraction form
4,012,452,196.41/5,536,519,655.97 = 2,319,064,529.70/x - Step 3: Cross multiply
4,012,452,196.41x = 5,536,519,655.97 × 2,319,064,529.70 - Step 4: Simplify right side
4,012,452,196.41x = 12,839,546,352,146,874,368 - Step 5: Solve for x
x = 12,839,546,352,146,874,368/4,012,452,196.41 - Step 6: Final answer
x = 3,199,925,064.19
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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.