Finding the Fourth Proportional to 7,558,478,447.20, 11,337,717,670.80 and 6,506,366,984.80
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Solution
The fourth proportional to 7,558,478,447.20, 11,337,717,670.80 and 6,506,366,984.80 is: 9,759,550,477.20
Step by Step Solution
- Step 1: Write the proportion equation
7,558,478,447.20 : 11,337,717,670.80 = 6,506,366,984.80 : x - Step 2: Convert to fraction form
7,558,478,447.20/11,337,717,670.80 = 6,506,366,984.80/x - Step 3: Cross multiply
7,558,478,447.20x = 11,337,717,670.80 × 6,506,366,984.80 - Step 4: Simplify right side
7,558,478,447.20x = 73,767,351,936,276,668,416 - Step 5: Solve for x
x = 73,767,351,936,276,668,416/7,558,478,447.20 - Step 6: Final answer
x = 9,759,550,477.20
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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.