Finding the Fourth Proportional to 1,765,258,911.72, 2,436,057,182.70 and 1,023,133,441.68
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Solution
The fourth proportional to 1,765,258,911.72, 2,436,057,182.70 and 1,023,133,441.68 is: 1,411,924,082.59
Step by Step Solution
- Step 1: Write the proportion equation
1,765,258,911.72 : 2,436,057,182.70 = 1,023,133,441.68 : x - Step 2: Convert to fraction form
1,765,258,911.72/2,436,057,182.70 = 1,023,133,441.68/x - Step 3: Cross multiply
1,765,258,911.72x = 2,436,057,182.70 × 1,023,133,441.68 - Step 4: Simplify right side
1,765,258,911.72x = 2,492,411,569,465,135,104 - Step 5: Solve for x
x = 2,492,411,569,465,135,104/1,765,258,911.72 - Step 6: Final answer
x = 1,411,924,082.59
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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.