Finding the Fourth Proportional to 756,193,066.80, 1,134,289,600.20 and 710,276,564.40
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Solution
The fourth proportional to 756,193,066.80, 1,134,289,600.20 and 710,276,564.40 is: 1,065,414,846.60
Step by Step Solution
- Step 1: Write the proportion equation
756,193,066.80 : 1,134,289,600.20 = 710,276,564.40 : x - Step 2: Convert to fraction form
756,193,066.80/1,134,289,600.20 = 710,276,564.40/x - Step 3: Cross multiply
756,193,066.80x = 1,134,289,600.20 × 710,276,564.40 - Step 4: Simplify right side
756,193,066.80x = 805,659,320,264,705,536 - Step 5: Solve for x
x = 805,659,320,264,705,536/756,193,066.80 - Step 6: Final answer
x = 1,065,414,846.60
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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.