Finding the Fourth Proportional to 7,523,727,516.40, 10,382,943,712.80 and 4,136,779,636.24
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Solution
The fourth proportional to 7,523,727,516.40, 10,382,943,712.80 and 4,136,779,636.24 is: 5,708,865,721.37
Step by Step Solution
- Step 1: Write the proportion equation
7,523,727,516.40 : 10,382,943,712.80 = 4,136,779,636.24 : x - Step 2: Convert to fraction form
7,523,727,516.40/10,382,943,712.80 = 4,136,779,636.24/x - Step 3: Cross multiply
7,523,727,516.40x = 10,382,943,712.80 × 4,136,779,636.24 - Step 4: Simplify right side
7,523,727,516.40x = 42,951,950,115,337,175,040 - Step 5: Solve for x
x = 42,951,950,115,337,175,040/7,523,727,516.40 - Step 6: Final answer
x = 5,708,865,721.37
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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.