Finding the Fourth Proportional to 9,471,555,719.19, 13,069,852,791.22 and 5,660,319,903.67
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Solution
The fourth proportional to 9,471,555,719.19, 13,069,852,791.22 and 5,660,319,903.67 is: 7,810,707,140.99
Step by Step Solution
- Step 1: Write the proportion equation
9,471,555,719.19 : 13,069,852,791.22 = 5,660,319,903.67 : x - Step 2: Convert to fraction form
9,471,555,719.19/13,069,852,791.22 = 5,660,319,903.67/x - Step 3: Cross multiply
9,471,555,719.19x = 13,069,852,791.22 × 5,660,319,903.67 - Step 4: Simplify right side
9,471,555,719.19x = 73,979,547,892,179,468,288 - Step 5: Solve for x
x = 73,979,547,892,179,468,288/9,471,555,719.19 - Step 6: Final answer
x = 7,810,707,140.99
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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.