Finding the Fourth Proportional to 1,422,278,184,832.10, 1,962,745,347,675.80 and 771,956,902,531.33
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Solution
The fourth proportional to 1,422,278,184,832.10, 1,962,745,347,675.80 and 771,956,902,531.33 is: 1,065,301,313,911.70
Step by Step Solution
- Step 1: Write the proportion equation
1,422,278,184,832.10 : 1,962,745,347,675.80 = 771,956,902,531.33 : x - Step 2: Convert to fraction form
1,422,278,184,832.10/1,962,745,347,675.80 = 771,956,902,531.33/x - Step 3: Cross multiply
1,422,278,184,832.10x = 1,962,745,347,675.80 × 771,956,902,531.33 - Step 4: Simplify right side
1,422,278,184,832.10x = 1,515,154,819,049,588,785,152,000 - Step 5: Solve for x
x = 1,515,154,819,049,588,785,152,000/1,422,278,184,832.10 - Step 6: Final answer
x = 1,065,301,313,911.70
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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.