Finding the Fourth Proportional to 1,418,660,241.57, 2,128,193,453.25 and 436,169,277.90
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Solution
The fourth proportional to 1,418,660,241.57, 2,128,193,453.25 and 436,169,277.90 is: 654,316,357.46
Step by Step Solution
- Step 1: Write the proportion equation
1,418,660,241.57 : 2,128,193,453.25 = 436,169,277.90 : x - Step 2: Convert to fraction form
1,418,660,241.57/2,128,193,453.25 = 436,169,277.90/x - Step 3: Cross multiply
1,418,660,241.57x = 2,128,193,453.25 × 436,169,277.90 - Step 4: Simplify right side
1,418,660,241.57x = 928,252,601,735,559,808 - Step 5: Solve for x
x = 928,252,601,735,559,808/1,418,660,241.57 - Step 6: Final answer
x = 654,316,357.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.