Finding the Fourth Proportional to 430,278,247.44, 645,549,090.71 and 220,337,579.16
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Solution
The fourth proportional to 430,278,247.44, 645,549,090.71 and 220,337,579.16 is: 330,573,819.90
Step by Step Solution
- Step 1: Write the proportion equation
430,278,247.44 : 645,549,090.71 = 220,337,579.16 : x - Step 2: Convert to fraction form
430,278,247.44/645,549,090.71 = 220,337,579.16/x - Step 3: Cross multiply
430,278,247.44x = 645,549,090.71 × 220,337,579.16 - Step 4: Simplify right side
430,278,247.44x = 142,238,723,874,878,960 - Step 5: Solve for x
x = 142,238,723,874,878,960/430,278,247.44 - Step 6: Final answer
x = 330,573,819.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.