Finding the Fourth Proportional to 7,750,369,327.20, 11,625,553,990.80 and 7,750,369,327.20
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Solution
The fourth proportional to 7,750,369,327.20, 11,625,553,990.80 and 7,750,369,327.20 is: 11,625,553,990.80
Step by Step Solution
- Step 1: Write the proportion equation
7,750,369,327.20 : 11,625,553,990.80 = 7,750,369,327.20 : x - Step 2: Convert to fraction form
7,750,369,327.20/11,625,553,990.80 = 7,750,369,327.20/x - Step 3: Cross multiply
7,750,369,327.20x = 11,625,553,990.80 × 7,750,369,327.20 - Step 4: Simplify right side
7,750,369,327.20x = 90,102,337,062,003,867,648 - Step 5: Solve for x
x = 90,102,337,062,003,867,648/7,750,369,327.20 - Step 6: Final answer
x = 11,625,553,990.80
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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.