Finding the Fourth Proportional to 7,630,848,307.20, 11,446,272,460.80 and 7,582,475,366.40
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Solution
The fourth proportional to 7,630,848,307.20, 11,446,272,460.80 and 7,582,475,366.40 is: 11,373,713,049.60
Step by Step Solution
- Step 1: Write the proportion equation
7,630,848,307.20 : 11,446,272,460.80 = 7,582,475,366.40 : x - Step 2: Convert to fraction form
7,630,848,307.20/11,446,272,460.80 = 7,582,475,366.40/x - Step 3: Cross multiply
7,630,848,307.20x = 11,446,272,460.80 × 7,582,475,366.40 - Step 4: Simplify right side
7,630,848,307.20x = 86,791,078,971,118,698,496 - Step 5: Solve for x
x = 86,791,078,971,118,698,496/7,630,848,307.20 - Step 6: Final answer
x = 11,373,713,049.60
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Half scale
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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.