Finding the Fourth Proportional to 1,104,524,783.02, 1,524,276,390.23 and 602,765,885.75
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Solution
The fourth proportional to 1,104,524,783.02, 1,524,276,390.23 and 602,765,885.75 is: 831,834,489.02
Step by Step Solution
- Step 1: Write the proportion equation
1,104,524,783.02 : 1,524,276,390.23 = 602,765,885.75 : x - Step 2: Convert to fraction form
1,104,524,783.02/1,524,276,390.23 = 602,765,885.75/x - Step 3: Cross multiply
1,104,524,783.02x = 1,524,276,390.23 × 602,765,885.75 - Step 4: Simplify right side
1,104,524,783.02x = 918,781,808,489,629,184 - Step 5: Solve for x
x = 918,781,808,489,629,184/1,104,524,783.02 - Step 6: Final answer
x = 831,834,489.02
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Double scale
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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.