Finding the Fourth Proportional to 495,624,946.50, 683,963,789.00 and 272,629,473.50
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Solution
The fourth proportional to 495,624,946.50, 683,963,789.00 and 272,629,473.50 is: 376,229,423.09
Step by Step Solution
- Step 1: Write the proportion equation
495,624,946.50 : 683,963,789.00 = 272,629,473.50 : x - Step 2: Convert to fraction form
495,624,946.50/683,963,789.00 = 272,629,473.50/x - Step 3: Cross multiply
495,624,946.50x = 683,963,789.00 × 272,629,473.50 - Step 4: Simplify right side
495,624,946.50x = 186,468,687,688,481,856 - Step 5: Solve for x
x = 186,468,687,688,481,856/495,624,946.50 - Step 6: Final answer
x = 376,229,423.09
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1.5x scale
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.