Finding the Fourth Proportional to 5,087,900,555.20, 7,631,853,494.64 and 1,594,578,101.68
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Solution
The fourth proportional to 5,087,900,555.20, 7,631,853,494.64 and 1,594,578,101.68 is: 2,391,867,986.76
Step by Step Solution
- Step 1: Write the proportion equation
5,087,900,555.20 : 7,631,853,494.64 = 1,594,578,101.68 : x - Step 2: Convert to fraction form
5,087,900,555.20/7,631,853,494.64 = 1,594,578,101.68/x - Step 3: Cross multiply
5,087,900,555.20x = 7,631,853,494.64 × 1,594,578,101.68 - Step 4: Simplify right side
5,087,900,555.20x = 12,169,586,457,782,925,312 - Step 5: Solve for x
x = 12,169,586,457,782,925,312/5,087,900,555.20 - Step 6: Final answer
x = 2,391,867,986.76
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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.