Finding the Fourth Proportional to 855,213,268.10, 1,283,305,181.00 and 461,734,854.71
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Solution
The fourth proportional to 855,213,268.10, 1,283,305,181.00 and 461,734,854.71 is: 692,864,287.07
Step by Step Solution
- Step 1: Write the proportion equation
855,213,268.10 : 1,283,305,181.00 = 461,734,854.71 : x - Step 2: Convert to fraction form
855,213,268.10/1,283,305,181.00 = 461,734,854.71/x - Step 3: Cross multiply
855,213,268.10x = 1,283,305,181.00 × 461,734,854.71 - Step 4: Simplify right side
855,213,268.10x = 592,546,731,288,899,968 - Step 5: Solve for x
x = 592,546,731,288,899,968/855,213,268.10 - Step 6: Final answer
x = 692,864,287.07
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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.