Finding the Fourth Proportional to 946,490,130.18, 1,419,733,291.38 and 888,893,229.15
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Solution
The fourth proportional to 946,490,130.18, 1,419,733,291.38 and 888,893,229.15 is: 1,333,338,055.69
Step by Step Solution
- Step 1: Write the proportion equation
946,490,130.18 : 1,419,733,291.38 = 888,893,229.15 : x - Step 2: Convert to fraction form
946,490,130.18/1,419,733,291.38 = 888,893,229.15/x - Step 3: Cross multiply
946,490,130.18x = 1,419,733,291.38 × 888,893,229.15 - Step 4: Simplify right side
946,490,130.18x = 1,261,991,309,908,215,040 - Step 5: Solve for x
x = 1,261,991,309,908,215,040/946,490,130.18 - Step 6: Final answer
x = 1,333,338,055.69
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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.