Finding the Fourth Proportional to 4,217,279,292.95, 5,819,719,421.16 and 2,311,975,620.18
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Solution
The fourth proportional to 4,217,279,292.95, 5,819,719,421.16 and 2,311,975,620.18 is: 3,190,457,279.06
Step by Step Solution
- Step 1: Write the proportion equation
4,217,279,292.95 : 5,819,719,421.16 = 2,311,975,620.18 : x - Step 2: Convert to fraction form
4,217,279,292.95/5,819,719,421.16 = 2,311,975,620.18/x - Step 3: Cross multiply
4,217,279,292.95x = 5,819,719,421.16 × 2,311,975,620.18 - Step 4: Simplify right side
4,217,279,292.95x = 13,455,049,418,009,980,928 - Step 5: Solve for x
x = 13,455,049,418,009,980,928/4,217,279,292.95 - Step 6: Final answer
x = 3,190,457,279.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.