Finding the Fourth Proportional to 2,239,488,019.80, 3,359,232,029.70 and 1,927,751,290.20
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Solution
The fourth proportional to 2,239,488,019.80, 3,359,232,029.70 and 1,927,751,290.20 is: 2,891,626,935.30
Step by Step Solution
- Step 1: Write the proportion equation
2,239,488,019.80 : 3,359,232,029.70 = 1,927,751,290.20 : x - Step 2: Convert to fraction form
2,239,488,019.80/3,359,232,029.70 = 1,927,751,290.20/x - Step 3: Cross multiply
2,239,488,019.80x = 3,359,232,029.70 × 1,927,751,290.20 - Step 4: Simplify right side
2,239,488,019.80x = 6,475,763,879,335,339,008 - Step 5: Solve for x
x = 6,475,763,879,335,339,008/2,239,488,019.80 - Step 6: Final answer
x = 2,891,626,935.30
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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.