Finding the Fourth Proportional to 266,676,079.93, 402,012,911.86 and 248,899,378.48
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Solution
The fourth proportional to 266,676,079.93, 402,012,911.86 and 248,899,378.48 is: 375,214,619.65
Step by Step Solution
- Step 1: Write the proportion equation
266,676,079.93 : 402,012,911.86 = 248,899,378.48 : x - Step 2: Convert to fraction form
266,676,079.93/402,012,911.86 = 248,899,378.48/x - Step 3: Cross multiply
266,676,079.93x = 402,012,911.86 × 248,899,378.48 - Step 4: Simplify right side
266,676,079.93x = 100,060,763,903,176,624 - Step 5: Solve for x
x = 100,060,763,903,176,624/266,676,079.93 - Step 6: Final answer
x = 375,214,619.65
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.