Finding the Fourth Proportional to 1,512,307,675.20, 2,267,565,717.60 and 786,713,563.20
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Solution
The fourth proportional to 1,512,307,675.20, 2,267,565,717.60 and 786,713,563.20 is: 1,179,604,345.56
Step by Step Solution
- Step 1: Write the proportion equation
1,512,307,675.20 : 2,267,565,717.60 = 786,713,563.20 : x - Step 2: Convert to fraction form
1,512,307,675.20/2,267,565,717.60 = 786,713,563.20/x - Step 3: Cross multiply
1,512,307,675.20x = 2,267,565,717.60 × 786,713,563.20 - Step 4: Simplify right side
1,512,307,675.20x = 1,783,924,705,483,260,928 - Step 5: Solve for x
x = 1,783,924,705,483,260,928/1,512,307,675.20 - Step 6: Final answer
x = 1,179,604,345.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.