Finding the Fourth Proportional to 6,526,306,948.80, 9,789,460,423.20 and 2,163,672,350.40
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Solution
The fourth proportional to 6,526,306,948.80, 9,789,460,423.20 and 2,163,672,350.40 is: 3,245,508,525.60
Step by Step Solution
- Step 1: Write the proportion equation
6,526,306,948.80 : 9,789,460,423.20 = 2,163,672,350.40 : x - Step 2: Convert to fraction form
6,526,306,948.80/9,789,460,423.20 = 2,163,672,350.40/x - Step 3: Cross multiply
6,526,306,948.80x = 9,789,460,423.20 × 2,163,672,350.40 - Step 4: Simplify right side
6,526,306,948.80x = 21,181,184,843,012,923,392 - Step 5: Solve for x
x = 21,181,184,843,012,923,392/6,526,306,948.80 - Step 6: Final answer
x = 3,245,508,525.60
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Double scale
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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.