Finding the Fourth Proportional to 1,467,936,030.40, 2,201,904,045.60 and 887,460,740.80
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Solution
The fourth proportional to 1,467,936,030.40, 2,201,904,045.60 and 887,460,740.80 is: 1,331,191,111.20
Step by Step Solution
- Step 1: Write the proportion equation
1,467,936,030.40 : 2,201,904,045.60 = 887,460,740.80 : x - Step 2: Convert to fraction form
1,467,936,030.40/2,201,904,045.60 = 887,460,740.80/x - Step 3: Cross multiply
1,467,936,030.40x = 2,201,904,045.60 × 887,460,740.80 - Step 4: Simplify right side
1,467,936,030.40x = 1,954,103,395,478,692,864 - Step 5: Solve for x
x = 1,954,103,395,478,692,864/1,467,936,030.40 - Step 6: Final answer
x = 1,331,191,111.20
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1.5x scale
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.