Finding the Fourth Proportional to 7,558,290,475.20, 11,337,435,712.80 and 2,649,192,811.20
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Solution
The fourth proportional to 7,558,290,475.20, 11,337,435,712.80 and 2,649,192,811.20 is: 3,973,789,216.80
Step by Step Solution
- Step 1: Write the proportion equation
7,558,290,475.20 : 11,337,435,712.80 = 2,649,192,811.20 : x - Step 2: Convert to fraction form
7,558,290,475.20/11,337,435,712.80 = 2,649,192,811.20/x - Step 3: Cross multiply
7,558,290,475.20x = 11,337,435,712.80 × 2,649,192,811.20 - Step 4: Simplify right side
7,558,290,475.20x = 30,035,053,187,791,904,768 - Step 5: Solve for x
x = 30,035,053,187,791,904,768/7,558,290,475.20 - Step 6: Final answer
x = 3,973,789,216.80
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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.