Finding the Fourth Proportional to 528,869,743.70, 793,304,615.55 and 528,869,743.70
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Solution
The fourth proportional to 528,869,743.70, 793,304,615.55 and 528,869,743.70 is: 793,304,615.55
Step by Step Solution
- Step 1: Write the proportion equation
528,869,743.70 : 793,304,615.55 = 528,869,743.70 : x - Step 2: Convert to fraction form
528,869,743.70/793,304,615.55 = 528,869,743.70/x - Step 3: Cross multiply
528,869,743.70x = 793,304,615.55 × 528,869,743.70 - Step 4: Simplify right side
528,869,743.70x = 419,554,808,701,955,520 - Step 5: Solve for x
x = 419,554,808,701,955,520/528,869,743.70 - Step 6: Final answer
x = 793,304,615.55
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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.