Finding the Fourth Proportional to 6,417,192,286.80, 9,625,788,430.20 and 3,317,828,374.80
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Solution
The fourth proportional to 6,417,192,286.80, 9,625,788,430.20 and 3,317,828,374.80 is: 4,976,742,562.20
Step by Step Solution
- Step 1: Write the proportion equation
6,417,192,286.80 : 9,625,788,430.20 = 3,317,828,374.80 : x - Step 2: Convert to fraction form
6,417,192,286.80/9,625,788,430.20 = 3,317,828,374.80/x - Step 3: Cross multiply
6,417,192,286.80x = 9,625,788,430.20 × 3,317,828,374.80 - Step 4: Simplify right side
6,417,192,286.80x = 31,936,713,983,539,113,984 - Step 5: Solve for x
x = 31,936,713,983,539,113,984/6,417,192,286.80 - Step 6: Final answer
x = 4,976,742,562.20
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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.