Finding the Fourth Proportional to 1,664,256,952.80, 2,491,607,854.80 and 1,616,481,208.80
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Solution
The fourth proportional to 1,664,256,952.80, 2,491,607,854.80 and 1,616,481,208.80 is: 2,420,081,388.40
Step by Step Solution
- Step 1: Write the proportion equation
1,664,256,952.80 : 2,491,607,854.80 = 1,616,481,208.80 : x - Step 2: Convert to fraction form
1,664,256,952.80/2,491,607,854.80 = 1,616,481,208.80/x - Step 3: Cross multiply
1,664,256,952.80x = 2,491,607,854.80 × 1,616,481,208.80 - Step 4: Simplify right side
1,664,256,952.80x = 4,027,637,276,982,679,040 - Step 5: Solve for x
x = 4,027,637,276,982,679,040/1,664,256,952.80 - Step 6: Final answer
x = 2,420,081,388.40
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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.