Finding the Fourth Proportional to 3,085,679,807.96, 4,258,165,708.68 and 1,815,603,053.48
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Solution
The fourth proportional to 3,085,679,807.96, 4,258,165,708.68 and 1,815,603,053.48 is: 2,505,489,598.42
Step by Step Solution
- Step 1: Write the proportion equation
3,085,679,807.96 : 4,258,165,708.68 = 1,815,603,053.48 : x - Step 2: Convert to fraction form
3,085,679,807.96/4,258,165,708.68 = 1,815,603,053.48/x - Step 3: Cross multiply
3,085,679,807.96x = 4,258,165,708.68 × 1,815,603,053.48 - Step 4: Simplify right side
3,085,679,807.96x = 7,731,138,662,903,235,584 - Step 5: Solve for x
x = 7,731,138,662,903,235,584/3,085,679,807.96 - Step 6: Final answer
x = 2,505,489,598.42
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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.