Finding the Fourth Proportional to 1,665,722,246.68, 2,298,696,918.15 and 923,214,246.04
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Solution
The fourth proportional to 1,665,722,246.68, 2,298,696,918.15 and 923,214,246.04 is: 1,274,035,780.21
Step by Step Solution
- Step 1: Write the proportion equation
1,665,722,246.68 : 2,298,696,918.15 = 923,214,246.04 : x - Step 2: Convert to fraction form
1,665,722,246.68/2,298,696,918.15 = 923,214,246.04/x - Step 3: Cross multiply
1,665,722,246.68x = 2,298,696,918.15 × 923,214,246.04 - Step 4: Simplify right side
1,665,722,246.68x = 2,122,189,742,165,443,072 - Step 5: Solve for x
x = 2,122,189,742,165,443,072/1,665,722,246.68 - Step 6: Final answer
x = 1,274,035,780.21
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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.