Finding the Fourth Proportional to 2,886,972,919.12, 3,984,026,472.84 and 1,566,873,475.12
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Solution
The fourth proportional to 2,886,972,919.12, 3,984,026,472.84 and 1,566,873,475.12 is: 2,162,287,482.20
Step by Step Solution
- Step 1: Write the proportion equation
2,886,972,919.12 : 3,984,026,472.84 = 1,566,873,475.12 : x - Step 2: Convert to fraction form
2,886,972,919.12/3,984,026,472.84 = 1,566,873,475.12/x - Step 3: Cross multiply
2,886,972,919.12x = 3,984,026,472.84 × 1,566,873,475.12 - Step 4: Simplify right side
2,886,972,919.12x = 6,242,465,404,468,886,528 - Step 5: Solve for x
x = 6,242,465,404,468,886,528/2,886,972,919.12 - Step 6: Final answer
x = 2,162,287,482.20
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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.