Finding the Fourth Proportional to 2,788,416,920.70, 3,848,084,354.68 and 1,518,327,532.80
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Solution
The fourth proportional to 2,788,416,920.70, 3,848,084,354.68 and 1,518,327,532.80 is: 2,095,329,568.86
Step by Step Solution
- Step 1: Write the proportion equation
2,788,416,920.70 : 3,848,084,354.68 = 1,518,327,532.80 : x - Step 2: Convert to fraction form
2,788,416,920.70/3,848,084,354.68 = 1,518,327,532.80/x - Step 3: Cross multiply
2,788,416,920.70x = 3,848,084,354.68 × 1,518,327,532.80 - Step 4: Simplify right side
2,788,416,920.70x = 5,842,652,424,247,564,288 - Step 5: Solve for x
x = 5,842,652,424,247,564,288/2,788,416,920.70 - Step 6: Final answer
x = 2,095,329,568.86
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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.