Finding the Fourth Proportional to 6,616,987,833.60, 9,925,481,750.40 and 6,571,071,331.20
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Solution
The fourth proportional to 6,616,987,833.60, 9,925,481,750.40 and 6,571,071,331.20 is: 9,856,606,996.80
Step by Step Solution
- Step 1: Write the proportion equation
6,616,987,833.60 : 9,925,481,750.40 = 6,571,071,331.20 : x - Step 2: Convert to fraction form
6,616,987,833.60/9,925,481,750.40 = 6,571,071,331.20/x - Step 3: Cross multiply
6,616,987,833.60x = 9,925,481,750.40 × 6,571,071,331.20 - Step 4: Simplify right side
6,616,987,833.60x = 65,221,048,578,402,230,272 - Step 5: Solve for x
x = 65,221,048,578,402,230,272/6,616,987,833.60 - Step 6: Final answer
x = 9,856,606,996.80
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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.