Finding the Fourth Proportional to 1,353,540,570.26, 1,868,498,027.21 and 852,485,726.39
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Solution
The fourth proportional to 1,353,540,570.26, 1,868,498,027.21 and 852,485,726.39 is: 1,176,815,777.07
Step by Step Solution
- Step 1: Write the proportion equation
1,353,540,570.26 : 1,868,498,027.21 = 852,485,726.39 : x - Step 2: Convert to fraction form
1,353,540,570.26/1,868,498,027.21 = 852,485,726.39/x - Step 3: Cross multiply
1,353,540,570.26x = 1,868,498,027.21 × 852,485,726.39 - Step 4: Simplify right side
1,353,540,570.26x = 1,592,867,897,977,187,584 - Step 5: Solve for x
x = 1,592,867,897,977,187,584/1,353,540,570.26 - Step 6: Final answer
x = 1,176,815,777.07
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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.