Finding the Fourth Proportional to 572,557,400.70, 858,836,101.05 and 265,747,544.70
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Solution
The fourth proportional to 572,557,400.70, 858,836,101.05 and 265,747,544.70 is: 398,621,317.05
Step by Step Solution
- Step 1: Write the proportion equation
572,557,400.70 : 858,836,101.05 = 265,747,544.70 : x - Step 2: Convert to fraction form
572,557,400.70/858,836,101.05 = 265,747,544.70/x - Step 3: Cross multiply
572,557,400.70x = 858,836,101.05 × 265,747,544.70 - Step 4: Simplify right side
572,557,400.70x = 228,233,585,153,758,560 - Step 5: Solve for x
x = 228,233,585,153,758,560/572,557,400.70 - Step 6: Final answer
x = 398,621,317.05
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Double scale
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Similar ratio
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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.