Finding the Fourth Proportional to 1,101,390,226.16, 1,519,863,840.58 and 606,342,305.84
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Solution
The fourth proportional to 1,101,390,226.16, 1,519,863,840.58 and 606,342,305.84 is: 836,722,284.05
Step by Step Solution
- Step 1: Write the proportion equation
1,101,390,226.16 : 1,519,863,840.58 = 606,342,305.84 : x - Step 2: Convert to fraction form
1,101,390,226.16/1,519,863,840.58 = 606,342,305.84/x - Step 3: Cross multiply
1,101,390,226.16x = 1,519,863,840.58 × 606,342,305.84 - Step 4: Simplify right side
1,101,390,226.16x = 921,557,745,660,115,328 - Step 5: Solve for x
x = 921,557,745,660,115,328/1,101,390,226.16 - Step 6: Final answer
x = 836,722,284.05
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Double scale
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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.