Finding the Fourth Proportional to 5,718,650,924.99, 8,573,063,559.48 and 1,987,457,555.31
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Solution
The fourth proportional to 5,718,650,924.99, 8,573,063,559.48 and 1,987,457,555.31 is: 2,979,478,930.77
Step by Step Solution
- Step 1: Write the proportion equation
5,718,650,924.99 : 8,573,063,559.48 = 1,987,457,555.31 : x - Step 2: Convert to fraction form
5,718,650,924.99/8,573,063,559.48 = 1,987,457,555.31/x - Step 3: Cross multiply
5,718,650,924.99x = 8,573,063,559.48 × 1,987,457,555.31 - Step 4: Simplify right side
5,718,650,924.99x = 17,038,599,943,441,367,040 - Step 5: Solve for x
x = 17,038,599,943,441,367,040/5,718,650,924.99 - Step 6: Final answer
x = 2,979,478,930.77
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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.