Finding the Fourth Proportional to 6,564,753,609.30, 9,847,130,413.95 and 1,969,324,233.30
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Solution
The fourth proportional to 6,564,753,609.30, 9,847,130,413.95 and 1,969,324,233.30 is: 2,953,986,349.95
Step by Step Solution
- Step 1: Write the proportion equation
6,564,753,609.30 : 9,847,130,413.95 = 1,969,324,233.30 : x - Step 2: Convert to fraction form
6,564,753,609.30/9,847,130,413.95 = 1,969,324,233.30/x - Step 3: Cross multiply
6,564,753,609.30x = 9,847,130,413.95 × 1,969,324,233.30 - Step 4: Simplify right side
6,564,753,609.30x = 19,392,192,552,657,195,008 - Step 5: Solve for x
x = 19,392,192,552,657,195,008/6,564,753,609.30 - Step 6: Final answer
x = 2,953,986,349.95
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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.