Finding the Fourth Proportional to 346,725,300.99, 478,481,554.85 and 187,954,932.99
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Solution
The fourth proportional to 346,725,300.99, 478,481,554.85 and 187,954,932.99 is: 259,378,154.18
Step by Step Solution
- Step 1: Write the proportion equation
346,725,300.99 : 478,481,554.85 = 187,954,932.99 : x - Step 2: Convert to fraction form
346,725,300.99/478,481,554.85 = 187,954,932.99/x - Step 3: Cross multiply
346,725,300.99x = 478,481,554.85 × 187,954,932.99 - Step 4: Simplify right side
346,725,300.99x = 89,932,968,578,782,768 - Step 5: Solve for x
x = 89,932,968,578,782,768/346,725,300.99 - Step 6: Final answer
x = 259,378,154.18
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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.