Finding the Fourth Proportional to 752,663,844.62, 1,128,794,212.98 and 207,275,733.26
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Solution
The fourth proportional to 752,663,844.62, 1,128,794,212.98 and 207,275,733.26 is: 310,858,094.04
Step by Step Solution
- Step 1: Write the proportion equation
752,663,844.62 : 1,128,794,212.98 = 207,275,733.26 : x - Step 2: Convert to fraction form
752,663,844.62/1,128,794,212.98 = 207,275,733.26/x - Step 3: Cross multiply
752,663,844.62x = 1,128,794,212.98 × 207,275,733.26 - Step 4: Simplify right side
752,663,844.62x = 233,971,648,195,074,112 - Step 5: Solve for x
x = 233,971,648,195,074,112/752,663,844.62 - Step 6: Final answer
x = 310,858,094.04
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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.