Finding the Fourth Proportional to 8,667,704,332.20, 11,962,169,689.56 and 4,909,183,519.08
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Solution
The fourth proportional to 8,667,704,332.20, 11,962,169,689.56 and 4,909,183,519.08 is: 6,775,091,078.53
Step by Step Solution
- Step 1: Write the proportion equation
8,667,704,332.20 : 11,962,169,689.56 = 4,909,183,519.08 : x - Step 2: Convert to fraction form
8,667,704,332.20/11,962,169,689.56 = 4,909,183,519.08/x - Step 3: Cross multiply
8,667,704,332.20x = 11,962,169,689.56 × 4,909,183,519.08 - Step 4: Simplify right side
8,667,704,332.20x = 58,724,486,292,426,268,672 - Step 5: Solve for x
x = 58,724,486,292,426,268,672/8,667,704,332.20 - Step 6: Final answer
x = 6,775,091,078.53
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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.