Finding the Fourth Proportional to 7,416,453,210.40, 11,124,679,815.60 and 6,848,236,493.20
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Solution
The fourth proportional to 7,416,453,210.40, 11,124,679,815.60 and 6,848,236,493.20 is: 10,272,354,739.80
Step by Step Solution
- Step 1: Write the proportion equation
7,416,453,210.40 : 11,124,679,815.60 = 6,848,236,493.20 : x - Step 2: Convert to fraction form
7,416,453,210.40/11,124,679,815.60 = 6,848,236,493.20/x - Step 3: Cross multiply
7,416,453,210.40x = 11,124,679,815.60 × 6,848,236,493.20 - Step 4: Simplify right side
7,416,453,210.40x = 76,184,438,288,357,359,616 - Step 5: Solve for x
x = 76,184,438,288,357,359,616/7,416,453,210.40 - Step 6: Final answer
x = 10,272,354,739.80
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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.