Finding the Fourth Proportional to 845,259,475.08, 1,166,459,447.88 and 468,916,072.59
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Solution
The fourth proportional to 845,259,475.08, 1,166,459,447.88 and 468,916,072.59 is: 647,104,941.45
Step by Step Solution
- Step 1: Write the proportion equation
845,259,475.08 : 1,166,459,447.88 = 468,916,072.59 : x - Step 2: Convert to fraction form
845,259,475.08/1,166,459,447.88 = 468,916,072.59/x - Step 3: Cross multiply
845,259,475.08x = 1,166,459,447.88 × 468,916,072.59 - Step 4: Simplify right side
845,259,475.08x = 546,971,583,135,389,440 - Step 5: Solve for x
x = 546,971,583,135,389,440/845,259,475.08 - Step 6: Final answer
x = 647,104,941.45
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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.