Finding the Fourth Proportional to 7,553,779,235.60, 11,330,668,853.40 and 4,798,789,091.60
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Solution
The fourth proportional to 7,553,779,235.60, 11,330,668,853.40 and 4,798,789,091.60 is: 7,198,183,637.40
Step by Step Solution
- Step 1: Write the proportion equation
7,553,779,235.60 : 11,330,668,853.40 = 4,798,789,091.60 : x - Step 2: Convert to fraction form
7,553,779,235.60/11,330,668,853.40 = 4,798,789,091.60/x - Step 3: Cross multiply
7,553,779,235.60x = 11,330,668,853.40 × 4,798,789,091.60 - Step 4: Simplify right side
7,553,779,235.60x = 54,373,490,094,227,800,064 - Step 5: Solve for x
x = 54,373,490,094,227,800,064/7,553,779,235.60 - Step 6: Final answer
x = 7,198,183,637.40
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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.