Finding the Fourth Proportional to 762,532,984.16, 1,143,277,304.16 and 388,316,496.08
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Solution
The fourth proportional to 762,532,984.16, 1,143,277,304.16 and 388,316,496.08 is: 582,208,830.33
Step by Step Solution
- Step 1: Write the proportion equation
762,532,984.16 : 1,143,277,304.16 = 388,316,496.08 : x - Step 2: Convert to fraction form
762,532,984.16/1,143,277,304.16 = 388,316,496.08/x - Step 3: Cross multiply
762,532,984.16x = 1,143,277,304.16 × 388,316,496.08 - Step 4: Simplify right side
762,532,984.16x = 443,953,436,799,199,616 - Step 5: Solve for x
x = 443,953,436,799,199,616/762,532,984.16 - Step 6: Final answer
x = 582,208,830.33
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Double scale
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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.