Finding the Fourth Proportional to 1,101,316,613.76, 1,651,963,723.20 and 283,425,736.32
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Solution
The fourth proportional to 1,101,316,613.76, 1,651,963,723.20 and 283,425,736.32 is: 425,135,722.80
Step by Step Solution
- Step 1: Write the proportion equation
1,101,316,613.76 : 1,651,963,723.20 = 283,425,736.32 : x - Step 2: Convert to fraction form
1,101,316,613.76/1,651,963,723.20 = 283,425,736.32/x - Step 3: Cross multiply
1,101,316,613.76x = 1,651,963,723.20 × 283,425,736.32 - Step 4: Simplify right side
1,101,316,613.76x = 468,209,034,621,888,640 - Step 5: Solve for x
x = 468,209,034,621,888,640/1,101,316,613.76 - Step 6: Final answer
x = 425,135,722.80
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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.