Finding the Fourth Proportional to 4,658,680,609.11, 6,991,491,518.64 and 3,418,316,210.79
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Solution
The fourth proportional to 4,658,680,609.11, 6,991,491,518.64 and 3,418,316,210.79 is: 5,130,020,879.52
Step by Step Solution
- Step 1: Write the proportion equation
4,658,680,609.11 : 6,991,491,518.64 = 3,418,316,210.79 : x - Step 2: Convert to fraction form
4,658,680,609.11/6,991,491,518.64 = 3,418,316,210.79/x - Step 3: Cross multiply
4,658,680,609.11x = 6,991,491,518.64 × 3,418,316,210.79 - Step 4: Simplify right side
4,658,680,609.11x = 23,899,128,795,767,910,400 - Step 5: Solve for x
x = 23,899,128,795,767,910,400/4,658,680,609.11 - Step 6: Final answer
x = 5,130,020,879.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.