Finding the Fourth Proportional to 5,448,452,989.54, 7,518,865,081.26 and 2,942,326,479.91
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Solution
The fourth proportional to 5,448,452,989.54, 7,518,865,081.26 and 2,942,326,479.91 is: 4,060,410,518.35
Step by Step Solution
- Step 1: Write the proportion equation
5,448,452,989.54 : 7,518,865,081.26 = 2,942,326,479.91 : x - Step 2: Convert to fraction form
5,448,452,989.54/7,518,865,081.26 = 2,942,326,479.91/x - Step 3: Cross multiply
5,448,452,989.54x = 7,518,865,081.26 × 2,942,326,479.91 - Step 4: Simplify right side
5,448,452,989.54x = 22,122,955,827,461,951,488 - Step 5: Solve for x
x = 22,122,955,827,461,951,488/5,448,452,989.54 - Step 6: Final answer
x = 4,060,410,518.35
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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.