Finding the Fourth Proportional to 1,070,134,884.30, 1,605,202,326.45 and 906,876,209.10
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Solution
The fourth proportional to 1,070,134,884.30, 1,605,202,326.45 and 906,876,209.10 is: 1,360,314,313.65
Step by Step Solution
- Step 1: Write the proportion equation
1,070,134,884.30 : 1,605,202,326.45 = 906,876,209.10 : x - Step 2: Convert to fraction form
1,070,134,884.30/1,605,202,326.45 = 906,876,209.10/x - Step 3: Cross multiply
1,070,134,884.30x = 1,605,202,326.45 × 906,876,209.10 - Step 4: Simplify right side
1,070,134,884.30x = 1,455,719,800,649,476,864 - Step 5: Solve for x
x = 1,455,719,800,649,476,864/1,070,134,884.30 - Step 6: Final answer
x = 1,360,314,313.65
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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.