Finding the Fourth Proportional to 456,725,273.23, 630,286,923.68 and 247,883,919.31
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Solution
The fourth proportional to 456,725,273.23, 630,286,923.68 and 247,883,919.31 is: 342,083,090.40
Step by Step Solution
- Step 1: Write the proportion equation
456,725,273.23 : 630,286,923.68 = 247,883,919.31 : x - Step 2: Convert to fraction form
456,725,273.23/630,286,923.68 = 247,883,919.31/x - Step 3: Cross multiply
456,725,273.23x = 630,286,923.68 × 247,883,919.31 - Step 4: Simplify right side
456,725,273.23x = 156,237,992,931,641,248 - Step 5: Solve for x
x = 156,237,992,931,641,248/456,725,273.23 - Step 6: Final answer
x = 342,083,090.40
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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.