Finding the Fourth Proportional to 7,175,873,415.20, 10,763,810,122.80 and 5,240,955,783.20
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Solution
The fourth proportional to 7,175,873,415.20, 10,763,810,122.80 and 5,240,955,783.20 is: 7,861,433,674.80
Step by Step Solution
- Step 1: Write the proportion equation
7,175,873,415.20 : 10,763,810,122.80 = 5,240,955,783.20 : x - Step 2: Convert to fraction form
7,175,873,415.20/10,763,810,122.80 = 5,240,955,783.20/x - Step 3: Cross multiply
7,175,873,415.20x = 10,763,810,122.80 × 5,240,955,783.20 - Step 4: Simplify right side
7,175,873,415.20x = 56,412,652,912,355,352,576 - Step 5: Solve for x
x = 56,412,652,912,355,352,576/7,175,873,415.20 - Step 6: Final answer
x = 7,861,433,674.80
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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.