Finding the Fourth Proportional to 51,120,479,775.44, 70,544,908,708.80 and 28,565,528,521.52
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Solution
The fourth proportional to 51,120,479,775.44, 70,544,908,708.80 and 28,565,528,521.52 is: 39,419,673,105.99
Step by Step Solution
- Step 1: Write the proportion equation
51,120,479,775.44 : 70,544,908,708.80 = 28,565,528,521.52 : x - Step 2: Convert to fraction form
51,120,479,775.44/70,544,908,708.80 = 28,565,528,521.52/x - Step 3: Cross multiply
51,120,479,775.44x = 70,544,908,708.80 × 28,565,528,521.52 - Step 4: Simplify right side
51,120,479,775.44x = 2,015,152,601,769,251,176,448 - Step 5: Solve for x
x = 2,015,152,601,769,251,176,448/51,120,479,775.44 - Step 6: Final answer
x = 39,419,673,105.99
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1.5x scale
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.