Finding the Fourth Proportional to 18,396,307,525.98, 27,594,681,006.58 and 5,130,758,698.62
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Solution
The fourth proportional to 18,396,307,525.98, 27,594,681,006.58 and 5,130,758,698.62 is: 7,696,199,327.51
Step by Step Solution
- Step 1: Write the proportion equation
18,396,307,525.98 : 27,594,681,006.58 = 5,130,758,698.62 : x - Step 2: Convert to fraction form
18,396,307,525.98/27,594,681,006.58 = 5,130,758,698.62/x - Step 3: Cross multiply
18,396,307,525.98x = 27,594,681,006.58 × 5,130,758,698.62 - Step 4: Simplify right side
18,396,307,525.98x = 141,581,649,610,154,442,752 - Step 5: Solve for x
x = 141,581,649,610,154,442,752/18,396,307,525.98 - Step 6: Final answer
x = 7,696,199,327.51
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1.5x scale
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.