Finding the Fourth Proportional to 5,207,697,051.90, 7,811,545,577.85 and 1,330,303,515.90
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Solution
The fourth proportional to 5,207,697,051.90, 7,811,545,577.85 and 1,330,303,515.90 is: 1,995,455,273.85
Step by Step Solution
- Step 1: Write the proportion equation
5,207,697,051.90 : 7,811,545,577.85 = 1,330,303,515.90 : x - Step 2: Convert to fraction form
5,207,697,051.90/7,811,545,577.85 = 1,330,303,515.90/x - Step 3: Cross multiply
5,207,697,051.90x = 7,811,545,577.85 × 1,330,303,515.90 - Step 4: Simplify right side
5,207,697,051.90x = 10,391,726,546,826,952,704 - Step 5: Solve for x
x = 10,391,726,546,826,952,704/5,207,697,051.90 - Step 6: Final answer
x = 1,995,455,273.85
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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.