Finding the Fourth Proportional to 9,249,770,370.87, 12,764,352,832.46 and 5,235,354,446.44
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Solution
The fourth proportional to 9,249,770,370.87, 12,764,352,832.46 and 5,235,354,446.44 is: 7,224,602,198.54
Step by Step Solution
- Step 1: Write the proportion equation
9,249,770,370.87 : 12,764,352,832.46 = 5,235,354,446.44 : x - Step 2: Convert to fraction form
9,249,770,370.87/12,764,352,832.46 = 5,235,354,446.44/x - Step 3: Cross multiply
9,249,770,370.87x = 12,764,352,832.46 × 5,235,354,446.44 - Step 4: Simplify right side
9,249,770,370.87x = 66,825,911,357,348,462,592 - Step 5: Solve for x
x = 66,825,911,357,348,462,592/9,249,770,370.87 - Step 6: Final answer
x = 7,224,602,198.54
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1.5x scale
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.