Finding the Fourth Proportional to 560,992,569.96, 774,154,893.78 and 313,475,958.12
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Solution
The fourth proportional to 560,992,569.96, 774,154,893.78 and 313,475,958.12 is: 432,588,522.66
Step by Step Solution
- Step 1: Write the proportion equation
560,992,569.96 : 774,154,893.78 = 313,475,958.12 : x - Step 2: Convert to fraction form
560,992,569.96/774,154,893.78 = 313,475,958.12/x - Step 3: Cross multiply
560,992,569.96x = 774,154,893.78 × 313,475,958.12 - Step 4: Simplify right side
560,992,569.96x = 242,678,947,060,972,320 - Step 5: Solve for x
x = 242,678,947,060,972,320/560,992,569.96 - Step 6: Final answer
x = 432,588,522.66
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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.