Finding the Fourth Proportional to 9,877,556,207.42, 13,630,674,881.72 and 5,590,677,486.70
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Solution
The fourth proportional to 9,877,556,207.42, 13,630,674,881.72 and 5,590,677,486.70 is: 7,714,935,312.90
Step by Step Solution
- Step 1: Write the proportion equation
9,877,556,207.42 : 13,630,674,881.72 = 5,590,677,486.70 : x - Step 2: Convert to fraction form
9,877,556,207.42/13,630,674,881.72 = 5,590,677,486.70/x - Step 3: Cross multiply
9,877,556,207.42x = 13,630,674,881.72 × 5,590,677,486.70 - Step 4: Simplify right side
9,877,556,207.42x = 76,204,707,189,759,180,800 - Step 5: Solve for x
x = 76,204,707,189,759,180,800/9,877,556,207.42 - Step 6: Final answer
x = 7,714,935,312.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.