Finding the Fourth Proportional to 7,664,074,948.80, 11,496,112,423.20 and 3,302,007,220.80
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Solution
The fourth proportional to 7,664,074,948.80, 11,496,112,423.20 and 3,302,007,220.80 is: 4,953,010,831.20
Step by Step Solution
- Step 1: Write the proportion equation
7,664,074,948.80 : 11,496,112,423.20 = 3,302,007,220.80 : x - Step 2: Convert to fraction form
7,664,074,948.80/11,496,112,423.20 = 3,302,007,220.80/x - Step 3: Cross multiply
7,664,074,948.80x = 11,496,112,423.20 × 3,302,007,220.80 - Step 4: Simplify right side
7,664,074,948.80x = 37,960,246,232,534,990,848 - Step 5: Solve for x
x = 37,960,246,232,534,990,848/7,664,074,948.80 - Step 6: Final answer
x = 4,953,010,831.20
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Double scale
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Similar ratio
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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.