Finding the Fourth Proportional to 3,888,653,571.74, 5,832,488,345.61 and 1,232,735,250.62
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Solution
The fourth proportional to 3,888,653,571.74, 5,832,488,345.61 and 1,232,735,250.62 is: 1,848,946,904.07
Step by Step Solution
- Step 1: Write the proportion equation
3,888,653,571.74 : 5,832,488,345.61 = 1,232,735,250.62 : x - Step 2: Convert to fraction form
3,888,653,571.74/5,832,488,345.61 = 1,232,735,250.62/x - Step 3: Cross multiply
3,888,653,571.74x = 5,832,488,345.61 × 1,232,735,250.62 - Step 4: Simplify right side
3,888,653,571.74x = 7,189,913,982,463,771,648 - Step 5: Solve for x
x = 7,189,913,982,463,771,648/3,888,653,571.74 - Step 6: Final answer
x = 1,848,946,904.07
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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.