Finding the Fourth Proportional to 5,742,043,466.40, 8,609,663,977.20 and 2,987,053,322.40
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Solution
The fourth proportional to 5,742,043,466.40, 8,609,663,977.20 and 2,987,053,322.40 is: 4,478,810,642.65
Step by Step Solution
- Step 1: Write the proportion equation
5,742,043,466.40 : 8,609,663,977.20 = 2,987,053,322.40 : x - Step 2: Convert to fraction form
5,742,043,466.40/8,609,663,977.20 = 2,987,053,322.40/x - Step 3: Cross multiply
5,742,043,466.40x = 8,609,663,977.20 × 2,987,053,322.40 - Step 4: Simplify right side
5,742,043,466.40x = 25,717,525,387,842,859,008 - Step 5: Solve for x
x = 25,717,525,387,842,859,008/5,742,043,466.40 - Step 6: Final answer
x = 4,478,810,642.65
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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.