Finding the Fourth Proportional to 1,606,936,518.63, 2,217,563,483.49 and 902,088,313.74
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Solution
The fourth proportional to 1,606,936,518.63, 2,217,563,483.49 and 902,088,313.74 is: 1,244,876,869.90
Step by Step Solution
- Step 1: Write the proportion equation
1,606,936,518.63 : 2,217,563,483.49 = 902,088,313.74 : x - Step 2: Convert to fraction form
1,606,936,518.63/2,217,563,483.49 = 902,088,313.74/x - Step 3: Cross multiply
1,606,936,518.63x = 2,217,563,483.49 × 902,088,313.74 - Step 4: Simplify right side
1,606,936,518.63x = 2,000,438,103,432,894,208 - Step 5: Solve for x
x = 2,000,438,103,432,894,208/1,606,936,518.63 - Step 6: Final answer
x = 1,244,876,869.90
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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.