Finding the Fourth Proportional to 855,274,895.68, 1,180,279,355.70 and 464,134,319.68
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Solution
The fourth proportional to 855,274,895.68, 1,180,279,355.70 and 464,134,319.68 is: 640,505,360.97
Step by Step Solution
- Step 1: Write the proportion equation
855,274,895.68 : 1,180,279,355.70 = 464,134,319.68 : x - Step 2: Convert to fraction form
855,274,895.68/1,180,279,355.70 = 464,134,319.68/x - Step 3: Cross multiply
855,274,895.68x = 1,180,279,355.70 × 464,134,319.68 - Step 4: Simplify right side
855,274,895.68x = 547,808,155,790,168,256 - Step 5: Solve for x
x = 547,808,155,790,168,256/855,274,895.68 - Step 6: Final answer
x = 640,505,360.97
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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.