Finding the Fourth Proportional to 4,709,620,853.20, 7,064,431,279.80 and 1,438,064,808.40
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Solution
The fourth proportional to 4,709,620,853.20, 7,064,431,279.80 and 1,438,064,808.40 is: 2,157,097,212.60
Step by Step Solution
- Step 1: Write the proportion equation
4,709,620,853.20 : 7,064,431,279.80 = 1,438,064,808.40 : x - Step 2: Convert to fraction form
4,709,620,853.20/7,064,431,279.80 = 1,438,064,808.40/x - Step 3: Cross multiply
4,709,620,853.20x = 7,064,431,279.80 × 1,438,064,808.40 - Step 4: Simplify right side
4,709,620,853.20x = 10,159,110,014,840,555,520 - Step 5: Solve for x
x = 10,159,110,014,840,555,520/4,709,620,853.20 - Step 6: Final answer
x = 2,157,097,212.60
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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.