Finding the Fourth Proportional to 2,180,884,225.68, 3,009,608,327.16 and 1,190,802,556.80
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Solution
The fourth proportional to 2,180,884,225.68, 3,009,608,327.16 and 1,190,802,556.80 is: 1,643,301,028.43
Step by Step Solution
- Step 1: Write the proportion equation
2,180,884,225.68 : 3,009,608,327.16 = 1,190,802,556.80 : x - Step 2: Convert to fraction form
2,180,884,225.68/3,009,608,327.16 = 1,190,802,556.80/x - Step 3: Cross multiply
2,180,884,225.68x = 3,009,608,327.16 × 1,190,802,556.80 - Step 4: Simplify right side
2,180,884,225.68x = 3,583,849,290,948,698,624 - Step 5: Solve for x
x = 3,583,849,290,948,698,624/2,180,884,225.68 - Step 6: Final answer
x = 1,643,301,028.43
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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.