Finding the Fourth Proportional to 293,420,523.80, 440,130,785.70 and 140,365,515.80
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Solution
The fourth proportional to 293,420,523.80, 440,130,785.70 and 140,365,515.80 is: 210,548,273.70
Step by Step Solution
- Step 1: Write the proportion equation
293,420,523.80 : 440,130,785.70 = 140,365,515.80 : x - Step 2: Convert to fraction form
293,420,523.80/440,130,785.70 = 140,365,515.80/x - Step 3: Cross multiply
293,420,523.80x = 440,130,785.70 × 140,365,515.80 - Step 4: Simplify right side
293,420,523.80x = 61,779,184,754,239,768 - Step 5: Solve for x
x = 61,779,184,754,239,768/293,420,523.80 - Step 6: Final answer
x = 210,548,273.70
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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.