Finding the Fourth Proportional to 457,276,024.71, 631,028,628.86 and 269,115,389.19
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Solution
The fourth proportional to 457,276,024.71, 631,028,628.86 and 269,115,389.19 is: 371,372,006.99
Step by Step Solution
- Step 1: Write the proportion equation
457,276,024.71 : 631,028,628.86 = 269,115,389.19 : x - Step 2: Convert to fraction form
457,276,024.71/631,028,628.86 = 269,115,389.19/x - Step 3: Cross multiply
457,276,024.71x = 631,028,628.86 × 269,115,389.19 - Step 4: Simplify right side
457,276,024.71x = 169,819,515,044,345,408 - Step 5: Solve for x
x = 169,819,515,044,345,408/457,276,024.71 - Step 6: Final answer
x = 371,372,006.99
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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.