Finding the Fourth Proportional to 997,056,939.20, 1,495,585,408.80 and 827,187,627.20
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Solution
The fourth proportional to 997,056,939.20, 1,495,585,408.80 and 827,187,627.20 is: 1,240,781,440.80
Step by Step Solution
- Step 1: Write the proportion equation
997,056,939.20 : 1,495,585,408.80 = 827,187,627.20 : x - Step 2: Convert to fraction form
997,056,939.20/1,495,585,408.80 = 827,187,627.20/x - Step 3: Cross multiply
997,056,939.20x = 1,495,585,408.80 × 827,187,627.20 - Step 4: Simplify right side
997,056,939.20x = 1,237,129,745,580,214,016 - Step 5: Solve for x
x = 1,237,129,745,580,214,016/997,056,939.20 - Step 6: Final answer
x = 1,240,781,440.80
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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.