Finding the Fourth Proportional to 594,112,328.79, 819,960,273.07 and 355,966,917.99
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Solution
The fourth proportional to 594,112,328.79, 819,960,273.07 and 355,966,917.99 is: 491,285,430.60
Step by Step Solution
- Step 1: Write the proportion equation
594,112,328.79 : 819,960,273.07 = 355,966,917.99 : x - Step 2: Convert to fraction form
594,112,328.79/819,960,273.07 = 355,966,917.99/x - Step 3: Cross multiply
594,112,328.79x = 819,960,273.07 × 355,966,917.99 - Step 4: Simplify right side
594,112,328.79x = 291,878,731,273,087,104 - Step 5: Solve for x
x = 291,878,731,273,087,104/594,112,328.79 - Step 6: Final answer
x = 491,285,430.60
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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.