Finding the Fourth Proportional to 495,448,242.65, 683,738,275.11 and 272,448,206.99
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Solution
The fourth proportional to 495,448,242.65, 683,738,275.11 and 272,448,206.99 is: 375,989,358.86
Step by Step Solution
- Step 1: Write the proportion equation
495,448,242.65 : 683,738,275.11 = 272,448,206.99 : x - Step 2: Convert to fraction form
495,448,242.65/683,738,275.11 = 272,448,206.99/x - Step 3: Cross multiply
495,448,242.65x = 683,738,275.11 × 272,448,206.99 - Step 4: Simplify right side
495,448,242.65x = 186,283,267,104,154,848 - Step 5: Solve for x
x = 186,283,267,104,154,848/495,448,242.65 - Step 6: Final answer
x = 375,989,358.86
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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.