Finding the Fourth Proportional to 7,030,992,598.24, 10,540,557,489.84 and 5,787,484,430.80
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Solution
The fourth proportional to 7,030,992,598.24, 10,540,557,489.84 and 5,787,484,430.80 is: 8,676,344,273.16
Step by Step Solution
- Step 1: Write the proportion equation
7,030,992,598.24 : 10,540,557,489.84 = 5,787,484,430.80 : x - Step 2: Convert to fraction form
7,030,992,598.24/10,540,557,489.84 = 5,787,484,430.80/x - Step 3: Cross multiply
7,030,992,598.24x = 10,540,557,489.84 × 5,787,484,430.80 - Step 4: Simplify right side
7,030,992,598.24x = 61,003,312,364,401,328,128 - Step 5: Solve for x
x = 61,003,312,364,401,328,128/7,030,992,598.24 - Step 6: Final answer
x = 8,676,344,273.16
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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.