Finding the Fourth Proportional to 845,259,473.08, 1,166,459,445.12 and 468,916,070.59
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Solution
The fourth proportional to 845,259,473.08, 1,166,459,445.12 and 468,916,070.59 is: 647,104,938.69
Step by Step Solution
- Step 1: Write the proportion equation
845,259,473.08 : 1,166,459,445.12 = 468,916,070.59 : x - Step 2: Convert to fraction form
845,259,473.08/1,166,459,445.12 = 468,916,070.59/x - Step 3: Cross multiply
845,259,473.08x = 1,166,459,445.12 × 468,916,070.59 - Step 4: Simplify right side
845,259,473.08x = 546,971,579,508,262,080 - Step 5: Solve for x
x = 546,971,579,508,262,080/845,259,473.08 - Step 6: Final answer
x = 647,104,938.69
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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.