Finding the Fourth Proportional to 1,104,620,419.14, 1,524,408,496.37 and 602,861,385.18
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Solution
The fourth proportional to 1,104,620,419.14, 1,524,408,496.37 and 602,861,385.18 is: 831,966,349.51
Step by Step Solution
- Step 1: Write the proportion equation
1,104,620,419.14 : 1,524,408,496.37 = 602,861,385.18 : x - Step 2: Convert to fraction form
1,104,620,419.14/1,524,408,496.37 = 602,861,385.18/x - Step 3: Cross multiply
1,104,620,419.14x = 1,524,408,496.37 × 602,861,385.18 - Step 4: Simplify right side
1,104,620,419.14x = 919,007,017,701,779,072 - Step 5: Solve for x
x = 919,007,017,701,779,072/1,104,620,419.14 - Step 6: Final answer
x = 831,966,349.51
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1.5x scale
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.