Finding the Fourth Proportional to 855,263,279.07, 1,180,263,334.41 and 464,122,703.07
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Solution
The fourth proportional to 855,263,279.07, 1,180,263,334.41 and 464,122,703.07 is: 640,489,335.28
Step by Step Solution
- Step 1: Write the proportion equation
855,263,279.07 : 1,180,263,334.41 = 464,122,703.07 : x - Step 2: Convert to fraction form
855,263,279.07/1,180,263,334.41 = 464,122,703.07/x - Step 3: Cross multiply
855,263,279.07x = 1,180,263,334.41 × 464,122,703.07 - Step 4: Simplify right side
855,263,279.07x = 547,787,009,100,780,544 - Step 5: Solve for x
x = 547,787,009,100,780,544/855,263,279.07 - Step 6: Final answer
x = 640,489,335.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.