Finding the Fourth Proportional to 1,419,291,281.80, 2,128,936,922.70 and 1,400,180,984.20
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Solution
The fourth proportional to 1,419,291,281.80, 2,128,936,922.70 and 1,400,180,984.20 is: 2,100,271,476.30
Step by Step Solution
- Step 1: Write the proportion equation
1,419,291,281.80 : 2,128,936,922.70 = 1,400,180,984.20 : x - Step 2: Convert to fraction form
1,419,291,281.80/2,128,936,922.70 = 1,400,180,984.20/x - Step 3: Cross multiply
1,419,291,281.80x = 2,128,936,922.70 × 1,400,180,984.20 - Step 4: Simplify right side
1,419,291,281.80x = 2,980,896,995,725,805,568 - Step 5: Solve for x
x = 2,980,896,995,725,805,568/1,419,291,281.80 - Step 6: Final answer
x = 2,100,271,476.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.