Finding the Fourth Proportional to 7,668,823,788.80, 11,503,235,683.20 and 3,306,756,060.80
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Solution
The fourth proportional to 7,668,823,788.80, 11,503,235,683.20 and 3,306,756,060.80 is: 4,960,134,091.20
Step by Step Solution
- Step 1: Write the proportion equation
7,668,823,788.80 : 11,503,235,683.20 = 3,306,756,060.80 : x - Step 2: Convert to fraction form
7,668,823,788.80/11,503,235,683.20 = 3,306,756,060.80/x - Step 3: Cross multiply
7,668,823,788.80x = 11,503,235,683.20 × 3,306,756,060.80 - Step 4: Simplify right side
7,668,823,788.80x = 38,038,394,314,232,430,592 - Step 5: Solve for x
x = 38,038,394,314,232,430,592/7,668,823,788.80 - Step 6: Final answer
x = 4,960,134,091.20
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1.5x scale
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.