Finding the Fourth Proportional to 3,849,478,305.88, 5,312,283,993.68 and 2,089,346,076.76
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Solution
The fourth proportional to 3,849,478,305.88, 5,312,283,993.68 and 2,089,346,076.76 is: 2,883,299,719.83
Step by Step Solution
- Step 1: Write the proportion equation
3,849,478,305.88 : 5,312,283,993.68 = 2,089,346,076.76 : x - Step 2: Convert to fraction form
3,849,478,305.88/5,312,283,993.68 = 2,089,346,076.76/x - Step 3: Cross multiply
3,849,478,305.88x = 5,312,283,993.68 × 2,089,346,076.76 - Step 4: Simplify right side
3,849,478,305.88x = 11,099,199,720,830,253,056 - Step 5: Solve for x
x = 11,099,199,720,830,253,056/3,849,478,305.88 - Step 6: Final answer
x = 2,883,299,719.83
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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.